1312932722905 has 16 divisors (see below), whose sum is σ = 1576671642000. Its totient is φ = 1049578168320.

The previous prime is 1312932722873. The next prime is 1312932722917. The reversal of 1312932722905 is 5092272392131.

It can be written as a sum of positive squares in 8 ways, for example, as 87164886169 + 1225767836736 = 295237^2 + 1107144^2 .

It is not a de Polignac number, because 1312932722905 - 2⁵ = 1312932722873 is a prime.

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, 60635521 + ... + 60657169.

It is an arithmetic number, because the mean of its divisors is an integer number (98541977625).

Almost surely, 2^{1312932722905} is an apocalyptic number.

It is an amenable number.

1312932722905 is a deficient number, since it is larger than the sum of its proper divisors (263738919095).

1312932722905 is a wasteful number, since it uses less digits than its factorization.

1312932722905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29964.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 1312932722905 in words is "one trillion, three hundred twelve billion, nine hundred thirty-two million, seven hundred twenty-two thousand, nine hundred five".