312204011020 has 24 divisors (see below), whose sum is σ = 715231007568. Its totient is φ = 113528731200.

The previous prime is 312204011003. The next prime is 312204011069. The reversal of 312204011020 is 20110402213.

It is a junction number, because it is equal to n+sod(n) for n = 312204010985 and 312204011003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709554351 + ... + 709554790.

It is an arithmetic number, because the mean of its divisors is an integer number (29801291982).

Almost surely, 2^312204011020 is an apocalyptic number.

It is an amenable number.

312204011020 is an abundant number, since it is smaller than the sum of its proper divisors (403026996548).

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

312204011020 is a wasteful number, since it uses less digits than its factorization.

312204011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419109161 (or 1419109159 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 312204011020 its reverse (20110402213), we get a palindrome (332314413233).

The spelling of 312204011020 in words is "three hundred twelve billion, two hundred four million, eleven thousand, twenty".