312210244121012 has 48 divisors (see below), whose sum is σ = 588518125977600. Its totient is φ = 144500251584480.

The previous prime is 312210244120997. The next prime is 312210244121021. The reversal of 312210244121012 is 210121442012213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574004039 + ... + 574547697.

It is an arithmetic number, because the mean of its divisors is an integer number (12260794291200).

Almost surely, 2^{312210244121012} is an apocalyptic number.

It is an amenable number.

312210244121012 is a deficient number, since it is larger than the sum of its proper divisors (276307881856588).

312210244121012 is a wasteful number, since it uses less digits than its factorization.

312210244121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745076 (or 745074 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 312210244121012 its reverse (210121442012213), we get a palindrome (522331686133225).

The spelling of 312210244121012 in words is "three hundred twelve trillion, two hundred ten billion, two hundred forty-four million, one hundred twenty-one thousand, twelve".