312302220232012 has 12 divisors (see below), whose sum is σ = 559858858221096. Its totient is φ = 152342546454560.

The previous prime is 312302220231979. The next prime is 312302220232031. The reversal of 312302220232012 is 210232022203213.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952140915178 + ... + 952140915505.

It is an arithmetic number, because the mean of its divisors is an integer number (46654904851758).

Almost surely, 2^{312302220232012} is an apocalyptic number.

It is an amenable number.

312302220232012 is a deficient number, since it is larger than the sum of its proper divisors (247556637989084).

312302220232012 is a wasteful number, since it uses less digits than its factorization.

312302220232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904281830728 (or 1904281830726 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312302220232012 its reverse (210232022203213), we get a palindrome (522534242435225).

The spelling of 312302220232012 in words is "three hundred twelve trillion, three hundred two billion, two hundred twenty million, two hundred thirty-two thousand, twelve".