12929734227 has 4 divisors (see below), whose sum is σ = 17239645640. Its totient is φ = 8619822816.

The previous prime is 12929734189. The next prime is 12929734247. The reversal of 12929734227 is 72243792921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12929734227 - 2³⁰ = 11855992403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12929734247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154955702 + ... + 2154955707.

It is an arithmetic number, because the mean of its divisors is an integer number (4309911410).

Almost surely, 2^12929734227 is an apocalyptic number.

12929734227 is a deficient number, since it is larger than the sum of its proper divisors (4309911413).

12929734227 is an equidigital number, since it uses as much as digits as its factorization.

12929734227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309911412.

The product of its digits is 762048, while the sum is 48.

The spelling of 12929734227 in words is "twelve billion, nine hundred twenty-nine million, seven hundred thirty-four thousand, two hundred twenty-seven".