312101000012 has 6 divisors (see below), whose sum is σ = 546176750028. Its totient is φ = 156050500004.

The previous prime is 312100999981. The next prime is 312101000017. The reversal of 312101000012 is 210000101213.

It is a junction number, because it is equal to n+sod(n) for n = 312100999957 and 312101000002.

It is not an unprimeable number, because it can be changed into a prime (312101000017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39012624998 + ... + 39012625005.

It is an arithmetic number, because the mean of its divisors is an integer number (91029458338).

Almost surely, 2^312101000012 is an apocalyptic number.

It is an amenable number.

312101000012 is a deficient number, since it is larger than the sum of its proper divisors (234075750016).

312101000012 is a wasteful number, since it uses less digits than its factorization.

312101000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78025250007 (or 78025250005 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 312101000012 its reverse (210000101213), we get a palindrome (522101101225).

The spelling of 312101000012 in words is "three hundred twelve billion, one hundred one million, twelve", and thus it is an aban number.