12226157752 has 32 divisors (see below), whose sum is σ = 24044569920. Its totient is φ = 5821303680.

The previous prime is 12226157747. The next prime is 12226157761. The reversal of 12226157752 is 25775162221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425499 + ... + 453322.

It is an arithmetic number, because the mean of its divisors is an integer number (751392810).

Almost surely, 2^12226157752 is an apocalyptic number.

It is an amenable number.

12226157752 is a deficient number, since it is larger than the sum of its proper divisors (11818412168).

12226157752 is a wasteful number, since it uses less digits than its factorization.

12226157752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878911 (or 878907 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The spelling of 12226157752 in words is "twelve billion, two hundred twenty-six million, one hundred fifty-seven thousand, seven hundred fifty-two".