312100321300032 has 56 divisors (see below), whose sum is σ = 825827804446752. Its totient is φ = 104025582668800.

The previous prime is 312100321299959. The next prime is 312100321300037. The reversal of 312100321300032 is 230003123001213.

It is a super-2 number, since 2×312100321300032² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312100321299981 and 312100321300008.

It is not an unprimeable number, because it can be changed into a prime (312100321300037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58839894 + ... + 63924437.

Almost surely, 2^{312100321300032} is an apocalyptic number.

312100321300032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312100321300032 is an abundant number, since it is smaller than the sum of its proper divisors (513727483146720).

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

312100321300032 is a wasteful number, since it uses less digits than its factorization.

312100321300032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122777587 (or 122777577 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312100321300032 its reverse (230003123001213), we get a palindrome (542103444301245).

The spelling of 312100321300032 in words is "three hundred twelve trillion, one hundred billion, three hundred twenty-one million, three hundred thousand, thirty-two".