321320310012100 has 72 divisors (see below), whose sum is σ = 796934893888448. Its totient is φ = 110158595913600.

The previous prime is 321320310012083. The next prime is 321320310012137. The reversal of 321320310012100 is 1210013023123.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8206047 + ... + 26645446.

Almost surely, 2^{321320310012100} is an apocalyptic number.

It is an amenable number.

321320310012100 is an abundant number, since it is smaller than the sum of its proper divisors (475614583876348).

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

321320310012100 is a wasteful number, since it uses less digits than its factorization.

321320310012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34864685 (or 34864678 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 321320310012100 its reverse (1210013023123), we get a palindrome (322530323035223).

The spelling of 321320310012100 in words is "three hundred twenty-one trillion, three hundred twenty billion, three hundred ten million, twelve thousand, one hundred".