12258636929 has 48 divisors (see below), whose sum is σ = 15595856640. Its totient is φ = 9431241600.

The previous prime is 12258636889. The next prime is 12258636937. The reversal of 12258636929 is 92963685221.

It is not a de Polignac number, because 12258636929 - 2⁸ = 12258636673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12258636959) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39416684 + ... + 39416994.

It is an arithmetic number, because the mean of its divisors is an integer number (324913680).

Almost surely, 2^12258636929 is an apocalyptic number.

It is an amenable number.

12258636929 is a deficient number, since it is larger than the sum of its proper divisors (3337219711).

12258636929 is a wasteful number, since it uses less digits than its factorization.

12258636929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 771 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The spelling of 12258636929 in words is "twelve billion, two hundred fifty-eight million, six hundred thirty-six thousand, nine hundred twenty-nine".