312210003012 has 24 divisors (see below), whose sum is σ = 728609193312. Its totient is φ = 104052974400.

The previous prime is 312210002957. The next prime is 312210003013. The reversal of 312210003012 is 210300012213.

It is a junction number, because it is equal to n+sod(n) for n = 312210002982 and 312210003000.

It is not an unprimeable number, because it can be changed into a prime (312210003013) 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, 2051814 + ... + 2198717.

It is an arithmetic number, because the mean of its divisors is an integer number (30358716388).

Almost surely, 2^312210003012 is an apocalyptic number.

It is an amenable number.

312210003012 is an abundant number, since it is smaller than the sum of its proper divisors (416399190300).

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

312210003012 is a wasteful number, since it uses less digits than its factorization.

312210003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256659 (or 4256657 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 312210003012 its reverse (210300012213), we get a palindrome (522510015225).

The spelling of 312210003012 in words is "three hundred twelve billion, two hundred ten million, three thousand, twelve".