312403313212 has 6 divisors (see below), whose sum is σ = 546705798128. Its totient is φ = 156201656604.

The previous prime is 312403313207. The next prime is 312403313291. The reversal of 312403313212 is 212313304213.

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, 39050414148 + ... + 39050414155.

Almost surely, 2^312403313212 is an apocalyptic number.

It is an amenable number.

312403313212 is a deficient number, since it is larger than the sum of its proper divisors (234302484916).

312403313212 is a wasteful number, since it uses less digits than its factorization.

312403313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78100828307 (or 78100828305 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 312403313212 its reverse (212313304213), we get a palindrome (524716617425).

The spelling of 312403313212 in words is "three hundred twelve billion, four hundred three million, three hundred thirteen thousand, two hundred twelve".