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12101013321200 = 2452317132771917
BaseRepresentation
bin1011000000010111110010…
…0110011011010111110000
31120211211211102110111101222
42300011330212123113300
53041230333402234300
641423043452044212
72356161251043146
oct260057446332760
946754742414358
1012101013321200
113946013602141
121435310a63668
1369a17512196b
142db999457596
1515eb960bd785
hexb017c99b5f0

12101013321200 has 120 divisors (see below), whose sum is σ = 29186779968192. Its totient is φ = 4821432744960.

The previous prime is 12101013321167. The next prime is 12101013321247. The reversal of 12101013321200 is 212331010121.

12101013321200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168227642 + ... + 168299558.

Almost surely, 212101013321200 is an apocalyptic number.

12101013321200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12101013321200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14593389984096).

12101013321200 is an abundant number, since it is smaller than the sum of its proper divisors (17085766646992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101013321200 is a wasteful number, since it uses less digits than its factorization.

12101013321200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73579 (or 73568 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12101013321200 its reverse (212331010121), we get a palindrome (12313344331321).

The spelling of 12101013321200 in words is "twelve trillion, one hundred one billion, thirteen million, three hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 317 400 634 1268 1327 1585 2536 2654 3170 5072 5308 6340 6635 7925 10616 12680 13270 15850 21232 25360 26540 31700 33175 53080 63400 66350 71917 106160 126800 132700 143834 265400 287668 359585 420659 530800 575336 719170 841318 1150672 1438340 1682636 1797925 2103295 2876680 3365272 3595850 4206590 5753360 6730544 7191700 8413180 10516475 14383400 16826360 21032950 22797689 28766800 33652720 42065900 45595378 84131800 91190756 95433859 113988445 168263600 182381512 190867718 227976890 364763024 381735436 455953780 477169295 569942225 763470872 911907560 954338590 1139884450 1526941744 1823815120 1908677180 2279768900 2385846475 3817354360 4559537800 4771692950 7634708720 9119075600 9543385900 19086771800 30252533303 38173543600 60505066606 121010133212 151262666515 242020266424 302525333030 484040532848 605050666060 756313332575 1210101332120 1512626665150 2420202664240 3025253330300 6050506660600 12101013321200