312112303012 has 12 divisors (see below), whose sum is σ = 578325738060. Its totient is φ = 146876377856.

The previous prime is 312112302949. The next prime is 312112303021. The reversal of 312112303012 is 210303211213.

It can be written as a sum of positive squares in 2 ways, for example, as 173902344256 + 138209958756 = 417016^2 + 371766^2 .

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, 2294943337 + ... + 2294943472.

It is an arithmetic number, because the mean of its divisors is an integer number (48193811505).

Almost surely, 2^312112303012 is an apocalyptic number.

It is an amenable number.

312112303012 is a deficient number, since it is larger than the sum of its proper divisors (266213435048).

312112303012 is a wasteful number, since it uses less digits than its factorization.

312112303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589886830 (or 4589886828 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312112303012 its reverse (210303211213), we get a palindrome (522415514225).

The spelling of 312112303012 in words is "three hundred twelve billion, one hundred twelve million, three hundred three thousand, twelve".