312103344122 has 12 divisors (see below), whose sum is σ = 489394564890. Its totient is φ = 149266816248.

The previous prime is 312103344109. The next prime is 312103344139. The reversal of 312103344122 is 221443301213.

It can be written as a sum of positive squares in only one way, i.e., 208374903361 + 103728440761 = 456481^2 + 322069^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312103344091 and 312103344100.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147495797 + ... + 147497912.

Almost surely, 2^312103344122 is an apocalyptic number.

312103344122 is a deficient number, since it is larger than the sum of its proper divisors (177291220768).

312103344122 is a wasteful number, since it uses less digits than its factorization.

312103344122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294993757 (or 294993734 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 312103344122 its reverse (221443301213), we get a palindrome (533546645335).

The spelling of 312103344122 in words is "three hundred twelve billion, one hundred three million, three hundred forty-four thousand, one hundred twenty-two".