1312311222104 has 16 divisors (see below), whose sum is σ = 2460619733400. Its totient is φ = 656145959872.

The previous prime is 1312311222071. The next prime is 1312311222149. The reversal of 1312311222104 is 4012221132131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312311222104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611237 + ... + 1731540.

Almost surely, 2^{1312311222104} is an apocalyptic number.

It is an amenable number.

1312311222104 is a deficient number, since it is larger than the sum of its proper divisors (1148308511296).

1312311222104 is a wasteful number, since it uses less digits than its factorization.

1312311222104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412802 (or 2412798 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1312311222104 its reverse (4012221132131), we get a palindrome (5324532354235).

The spelling of 1312311222104 in words is "one trillion, three hundred twelve billion, three hundred eleven million, two hundred twenty-two thousand, one hundred four".