312236306020 has 48 divisors (see below), whose sum is σ = 680997300480. Its totient is φ = 120165353984.

The previous prime is 312236305957. The next prime is 312236306059. The reversal of 312236306020 is 20603632213.

It is a self number, because there is not a number n which added to its sum of digits gives 312236306020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2759509 + ... + 2870428.

It is an arithmetic number, because the mean of its divisors is an integer number (14187443760).

Almost surely, 2^312236306020 is an apocalyptic number.

It is an amenable number.

312236306020 is an abundant number, since it is smaller than the sum of its proper divisors (368760994460).

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

312236306020 is a wasteful number, since it uses less digits than its factorization.

312236306020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630052 (or 5630050 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 312236306020 its reverse (20603632213), we get a palindrome (332839938233).

The spelling of 312236306020 in words is "three hundred twelve billion, two hundred thirty-six million, three hundred six thousand, twenty".