1309797020012 has 24 divisors (see below), whose sum is σ = 2472278923296. Its totient is φ = 603587340288.

The previous prime is 1309797019991. The next prime is 1309797020033. The reversal of 1309797020012 is 2100207979031.

It is an interprime number because it is at equal distance from previous prime (1309797019991) and next prime (1309797020033).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19431893 + ... + 19499180.

It is an arithmetic number, because the mean of its divisors is an integer number (103011621804).

Almost surely, 2^{1309797020012} is an apocalyptic number.

It is an amenable number.

1309797020012 is a deficient number, since it is larger than the sum of its proper divisors (1162481903284).

1309797020012 is a wasteful number, since it uses less digits than its factorization.

1309797020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38931737 (or 38931735 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 41.

The spelling of 1309797020012 in words is "one trillion, three hundred nine billion, seven hundred ninety-seven million, twenty thousand, twelve".