1312266212615 has 16 divisors (see below), whose sum is σ = 1617324347520. Its totient is φ = 1021411284480.

The previous prime is 1312266212603. The next prime is 1312266212627. The reversal of 1312266212615 is 5162126622131.

It is an interprime number because it is at equal distance from previous prime (1312266212603) and next prime (1312266212627).

It is not a de Polignac number, because 1312266212615 - 2⁴ = 1312266212599 is a prime.

It is a super-2 number, since 2×1312266212615² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8701826 + ... + 8851344.

It is an arithmetic number, because the mean of its divisors is an integer number (101082771720).

Almost surely, 2^{1312266212615} is an apocalyptic number.

1312266212615 is a deficient number, since it is larger than the sum of its proper divisors (305058134905).

1312266212615 is a wasteful number, since it uses less digits than its factorization.

1312266212615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197002.

The product of its digits is 51840, while the sum is 38.

The spelling of 1312266212615 in words is "one trillion, three hundred twelve billion, two hundred sixty-six million, two hundred twelve thousand, six hundred fifteen".