100021232232012 has 144 divisors (see below), whose sum is σ = 292375342984032. Its totient is φ = 26378721976320.

The previous prime is 100021232231981. The next prime is 100021232232071. The reversal of 100021232232012 is 210232232120001.

It is a super-2 number, since 2×100021232232012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 100021232232012.

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, 569856538 + ... + 570032030.

It is an arithmetic number, because the mean of its divisors is an integer number (2030384326278).

Almost surely, 2^{100021232232012} is an apocalyptic number.

100021232232012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100021232232012 is an abundant number, since it is smaller than the sum of its proper divisors (192354110752020).

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

100021232232012 is a wasteful number, since it uses less digits than its factorization.

100021232232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250088 (or 250079 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 100021232232012 its reverse (210232232120001), we get a palindrome (310253464352013).

The spelling of 100021232232012 in words is "one hundred trillion, twenty-one billion, two hundred thirty-two million, two hundred thirty-two thousand, twelve".