312110040011212 has 6 divisors (see below), whose sum is σ = 546192570019628. Its totient is φ = 156055020005604.

The previous prime is 312110040011201. The next prime is 312110040011243. The reversal of 312110040011212 is 212110040011213.

It is a self number, because there is not a number n which added to its sum of digits gives 312110040011212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39013755001398 + ... + 39013755001405.

Almost surely, 2^{312110040011212} is an apocalyptic number.

It is an amenable number.

312110040011212 is a deficient number, since it is larger than the sum of its proper divisors (234082530008416).

312110040011212 is a wasteful number, since it uses less digits than its factorization.

312110040011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78027510002807 (or 78027510002805 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 312110040011212 its reverse (212110040011213), we get a palindrome (524220080022425).

Subtracting from 312110040011212 its reverse (212110040011213), we obtain a palindrome (99999999999999).

The spelling of 312110040011212 in words is "three hundred twelve trillion, one hundred ten billion, forty million, eleven thousand, two hundred twelve".