2122188135732 has 72 divisors (see below), whose sum is σ = 6131075496000. Its totient is φ = 606308830848.

The previous prime is 2122188135709. The next prime is 2122188135797. The reversal of 2122188135732 is 2375318812212.

It is a happy number.

2122188135732 is a `hidden beast` number, since 2 + 1 + 2 + 218 + 81 + 357 + 3 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5041519 + ... + 5446217.

Almost surely, 2^{2122188135732} is an apocalyptic number.

It is an amenable number.

2122188135732 is an abundant number, since it is smaller than the sum of its proper divisors (4008887360268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122188135732 is a wasteful number, since it uses less digits than its factorization.

2122188135732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425525 (or 425520 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 2122188135732 in words is "two trillion, one hundred twenty-two billion, one hundred eighty-eight million, one hundred thirty-five thousand, seven hundred thirty-two".