12211162588 has 24 divisors (see below), whose sum is σ = 22190525280. Its totient is φ = 5872614720.

The previous prime is 12211162571. The next prime is 12211162589. The reversal of 12211162588 is 88526111221.

It is a super-2 number, since 2×12211162588² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211162589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169623 + ... + 230638.

It is an arithmetic number, because the mean of its divisors is an integer number (924605220).

Almost surely, 2^12211162588 is an apocalyptic number.

It is an amenable number.

12211162588 is a deficient number, since it is larger than the sum of its proper divisors (9979362692).

12211162588 is a wasteful number, since it uses less digits than its factorization.

12211162588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400557 (or 400555 counting only the distinct ones).

The product of its digits is 15360, while the sum is 37.

The spelling of 12211162588 in words is "twelve billion, two hundred eleven million, one hundred sixty-two thousand, five hundred eighty-eight".