12939215411 has 2 divisors, whose sum is σ = 12939215412. Its totient is φ = 12939215410.

The previous prime is 12939215407. The next prime is 12939215437. The reversal of 12939215411 is 11451293921.

It is a weak prime.

It is an emirp because it is prime and its reverse (11451293921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12939215411 - 2² = 12939215407 is a prime.

It is not a weakly prime, because it can be changed into another prime (12939215111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6469607705 + 6469607706.

It is an arithmetic number, because the mean of its divisors is an integer number (6469607706).

Almost surely, 2^12939215411 is an apocalyptic number.

12939215411 is a deficient number, since it is larger than the sum of its proper divisors (1).

12939215411 is an equidigital number, since it uses as much as digits as its factorization.

12939215411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 38.

The spelling of 12939215411 in words is "twelve billion, nine hundred thirty-nine million, two hundred fifteen thousand, four hundred eleven".