312447260212 has 6 divisors (see below), whose sum is σ = 546782705378. Its totient is φ = 156223630104.

The previous prime is 312447260161. The next prime is 312447260231. The reversal of 312447260212 is 212062744213.

It can be written as a sum of positive squares in only one way, i.e., 210677328016 + 101769932196 = 458996^2 + 319014^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39055907523 + ... + 39055907530.

Almost surely, 2^312447260212 is an apocalyptic number.

It is an amenable number.

312447260212 is a deficient number, since it is larger than the sum of its proper divisors (234335445166).

312447260212 is a wasteful number, since it uses less digits than its factorization.

312447260212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78111815057 (or 78111815055 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 312447260212 in words is "three hundred twelve billion, four hundred forty-seven million, two hundred sixty thousand, two hundred twelve".