12315212929 has 16 divisors (see below), whose sum is σ = 12691261440. Its totient is φ = 11944188880.

The previous prime is 12315212893. The next prime is 12315212933. The reversal of 12315212929 is 92921251321.

It is a cyclic number.

It is not a de Polignac number, because 12315212929 - 2⁷ = 12315212801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12315212939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7898652 + ... + 7900210.

It is an arithmetic number, because the mean of its divisors is an integer number (793203840).

Almost surely, 2^12315212929 is an apocalyptic number.

It is an amenable number.

12315212929 is a deficient number, since it is larger than the sum of its proper divisors (376048511).

12315212929 is a wasteful number, since it uses less digits than its factorization.

12315212929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020.

The product of its digits is 19440, while the sum is 37.

The spelling of 12315212929 in words is "twelve billion, three hundred fifteen million, two hundred twelve thousand, nine hundred twenty-nine".