312312130221300 has 108 divisors (see below), whose sum is σ = 993238610618688. Its totient is φ = 75712031560000.

The previous prime is 312312130221253. The next prime is 312312130221307. The reversal of 312312130221300 is 3122031213213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312312130221307) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4301783676 + ... + 4301856275.

Almost surely, 2^{312312130221300} is an apocalyptic number.

312312130221300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312312130221300 is an abundant number, since it is smaller than the sum of its proper divisors (680926480397388).

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

312312130221300 is a wasteful number, since it uses less digits than its factorization.

312312130221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8603639990 (or 8603639972 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 312312130221300 its reverse (3122031213213), we get a palindrome (315434161434513).

The spelling of 312312130221300 in words is "three hundred twelve trillion, three hundred twelve billion, one hundred thirty million, two hundred twenty-one thousand, three hundred".