100612321312 has 24 divisors (see below), whose sum is σ = 204470203392. Its totient is φ = 48683380800.

The previous prime is 100612321309. The next prime is 100612321349. The reversal of 100612321312 is 213123216001.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 50710864 + ... + 50712847.

It is an arithmetic number, because the mean of its divisors is an integer number (8519591808).

Almost surely, 2^100612321312 is an apocalyptic number.

It is an amenable number.

100612321312 is an abundant number, since it is smaller than the sum of its proper divisors (103857882080).

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

100612321312 is a wasteful number, since it uses less digits than its factorization.

100612321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101423752 (or 101423744 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 100612321312 its reverse (213123216001), we get a palindrome (313735537313).

The spelling of 100612321312 in words is "one hundred billion, six hundred twelve million, three hundred twenty-one thousand, three hundred twelve".