312634020436212 has 24 divisors (see below), whose sum is σ = 729488349475200. Its totient is φ = 104210058937216.

The previous prime is 312634020436181. The next prime is 312634020436223. The reversal of 312634020436212 is 212634020436213.

It is a congruent number.

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, 159134037 + ... + 161086652.

It is an arithmetic number, because the mean of its divisors is an integer number (30395347894800).

Almost surely, 2^{312634020436212} is an apocalyptic number.

It is an amenable number.

312634020436212 is an abundant number, since it is smaller than the sum of its proper divisors (416854329038988).

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

312634020436212 is a wasteful number, since it uses less digits than its factorization.

312634020436212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320302055 (or 320302053 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

Subtracting from 312634020436212 its reverse (212634020436213), we obtain a palindrome (99999999999999).

The spelling of 312634020436212 in words is "three hundred twelve trillion, six hundred thirty-four billion, twenty million, four hundred thirty-six thousand, two hundred twelve".