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12010210002100 = 225217193128434219
BaseRepresentation
bin1010111011000101100001…
…0011010000010010110100
31120112011110011222221122101
42232301120103100102310
53033233402230031400
641313225253511444
72346465125420332
oct256613023202264
946464404887571
1012010210002100
113910557493572
12141b7ab042584
13691733a56b4b
142d74239a8b52
1515c62e46156a
hexaec584d04b4

12010210002100 has 288 divisors, whose sum is σ = 30002279731200. Its totient is φ = 4142899353600.

The previous prime is 12010210002073. The next prime is 12010210002107. The reversal of 12010210002100 is 120001201021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010210002107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2846693791 + ... + 2846698009.

It is an arithmetic number, because the mean of its divisors is an integer number (104174582400).

Almost surely, 212010210002100 is an apocalyptic number.

12010210002100 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 12010210002100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15001139865600).

12010210002100 is an abundant number, since it is smaller than the sum of its proper divisors (17992069729100).

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

12010210002100 is a wasteful number, since it uses less digits than its factorization.

12010210002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7143 (or 7136 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12010210002100 its reverse (120001201021), we get a palindrome (12130211203121).

The spelling of 12010210002100 in words is "twelve trillion, ten billion, two hundred ten million, two thousand, one hundred".