12227518132 has 12 divisors (see below), whose sum is σ = 21403509120. Its totient is φ = 6112229816.

The previous prime is 12227518111. The next prime is 12227518183. The reversal of 12227518132 is 23181572221.

12227518132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364228 + ... + 396379.

It is an arithmetic number, because the mean of its divisors is an integer number (1783625760).

Almost surely, 2^12227518132 is an apocalyptic number.

It is an amenable number.

12227518132 is a deficient number, since it is larger than the sum of its proper divisors (9175990988).

12227518132 is a wasteful number, since it uses less digits than its factorization.

12227518132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764630 (or 764628 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The spelling of 12227518132 in words is "twelve billion, two hundred twenty-seven million, five hundred eighteen thousand, one hundred thirty-two".