312130350412 has 12 divisors (see below), whose sum is σ = 546243353656. Its totient is φ = 156060820800.

The previous prime is 312130350403. The next prime is 312130350431. The reversal of 312130350412 is 214053031213.

It is a happy number.

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, 924573 + ... + 1216180.

Almost surely, 2^312130350412 is an apocalyptic number.

It is an amenable number.

312130350412 is a deficient number, since it is larger than the sum of its proper divisors (234113003244).

312130350412 is a wasteful number, since it uses less digits than its factorization.

312130350412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177208 (or 2177206 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 312130350412 its reverse (214053031213), we get a palindrome (526183381625).

The spelling of 312130350412 in words is "three hundred twelve billion, one hundred thirty million, three hundred fifty thousand, four hundred twelve".