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12101001200000 = 27551719229409
BaseRepresentation
bin1011000000010111101111…
…1000001100000110000000
31120211211210120122200020122
42300011323320030012000
53041230322301400000
641423042340155412
72356161043030316
oct260057370140600
946754716580218
1012101001200000
113946007783319
121435308998b68
1369a17276975b
142db9979c00b6
1515eb94ec7085
hexb017be0c180

12101001200000 has 768 divisors, whose sum is σ = 33813226440000. Its totient is φ = 4286545920000.

The previous prime is 12101001199993. The next prime is 12101001200039. The reversal of 12101001200000 is 210010121.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29586799796 + ... + 29586800204.

Almost surely, 212101001200000 is an apocalyptic number.

12101001200000 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 12101001200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16906613220000).

12101001200000 is an abundant number, since it is smaller than the sum of its proper divisors (21712225240000).

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

12101001200000 is an equidigital number, since it uses as much as digits as its factorization.

12101001200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12101001200000 its reverse (210010121), we get a palindrome (12101211210121).

The spelling of 12101001200000 in words is "twelve trillion, one hundred one billion, one million, two hundred thousand".