100020323211312 has 80 divisors (see below), whose sum is σ = 295305114040832. Its totient is φ = 28576556144640.

The previous prime is 100020323211301. The next prime is 100020323211331. The reversal of 100020323211312 is 213112323020001.

It is a super-2 number, since 2×100020323211312² (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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10709637 + ... + 17740827.

Almost surely, 2^{100020323211312} is an apocalyptic number.

100020323211312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100020323211312 is an abundant number, since it is smaller than the sum of its proper divisors (195284790829520).

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

100020323211312 is a wasteful number, since it uses less digits than its factorization.

100020323211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073546 (or 7073540 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 100020323211312 its reverse (213112323020001), we get a palindrome (313132646231313).

The spelling of 100020323211312 in words is "one hundred trillion, twenty billion, three hundred twenty-three million, two hundred eleven thousand, three hundred twelve".