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12000002021200 = 24521011078233373
BaseRepresentation
bin1010111010011111011111…
…0110111001011101010000
31120111012002202212210100201
42232213313312321131100
53033102001004134300
641304420321224544
72345654144131144
oct256476766713520
946435082783321
1012000002021200
113907199335416
121419820492154
13690797c4986b
142d6b35d87224
1515c2331be66a
hexae9f7db9750

12000002021200 has 240 divisors, whose sum is σ = 29431988482176. Its totient is φ = 4700945664000.

The previous prime is 12000002021191. The next prime is 12000002021303. The reversal of 12000002021200 is 212020000021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3557662714 + ... + 3557666086.

Almost surely, 212000002021200 is an apocalyptic number.

12000002021200 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 12000002021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14715994241088).

12000002021200 is an abundant number, since it is smaller than the sum of its proper divisors (17431986460976).

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

12000002021200 is a wasteful number, since it uses less digits than its factorization.

12000002021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422 (or 4411 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12000002021200 its reverse (212020000021), we get a palindrome (12212022021221).

The spelling of 12000002021200 in words is "twelve trillion, two million, twenty-one thousand, two hundred".