312201310020 has 24 divisors (see below), whose sum is σ = 874163668224. Its totient is φ = 83253682656.

The previous prime is 312201310013. The next prime is 312201310027. The reversal of 312201310020 is 20013102213.

It is an interprime number because it is at equal distance from previous prime (312201310013) and next prime (312201310027).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (312201310027) 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, 2601677524 + ... + 2601677643.

It is an arithmetic number, because the mean of its divisors is an integer number (36423486176).

Almost surely, 2^312201310020 is an apocalyptic number.

312201310020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312201310020 is an abundant number, since it is smaller than the sum of its proper divisors (561962358204).

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

312201310020 is a wasteful number, since it uses less digits than its factorization.

312201310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203355179 (or 5203355177 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 312201310020 its reverse (20013102213), we get a palindrome (332214412233).

The spelling of 312201310020 in words is "three hundred twelve billion, two hundred one million, three hundred ten thousand, twenty".