313212100012 has 24 divisors (see below), whose sum is σ = 629159689760. Its totient is φ = 133647580800.

The previous prime is 313212100007. The next prime is 313212100013. The reversal of 313212100012 is 210001212313.

It is not an unprimeable number, because it can be changed into a prime (313212100013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24417489 + ... + 24430312.

Almost surely, 2^313212100012 is an apocalyptic number.

It is an amenable number.

313212100012 is an abundant number, since it is smaller than the sum of its proper divisors (315947589748).

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

313212100012 is a wasteful number, since it uses less digits than its factorization.

313212100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48848041 (or 48848039 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 313212100012 its reverse (210001212313), we get a palindrome (523213312325).

The spelling of 313212100012 in words is "three hundred thirteen billion, two hundred twelve million, one hundred thousand, twelve".