1312149974222 has 64 divisors (see below), whose sum is σ = 2025457600320. Its totient is φ = 637376947200.

The previous prime is 1312149974207. The next prime is 1312149974237. The reversal of 1312149974222 is 2224799412131.

It is an interprime number because it is at equal distance from previous prime (1312149974207) and next prime (1312149974237).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2140537988 + ... + 2140538600.

It is an arithmetic number, because the mean of its divisors is an integer number (31647775005).

Almost surely, 2^{1312149974222} is an apocalyptic number.

1312149974222 is a deficient number, since it is larger than the sum of its proper divisors (713307626098).

1312149974222 is a wasteful number, since it uses less digits than its factorization.

1312149974222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its digits is 435456, while the sum is 47.

The spelling of 1312149974222 in words is "one trillion, three hundred twelve billion, one hundred forty-nine million, nine hundred seventy-four thousand, two hundred twenty-two".