12060135522 has 20 divisors (see below), whose sum is σ = 27023637366. Its totient is φ = 4020045120.

The previous prime is 12060135517. The next prime is 12060135539. The reversal of 12060135522 is 22553106021.

It is a happy number.

12060135522 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 0 + 135 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7143461361 + 4916674161 = 84519^2 + 70119^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37222479 + ... + 37222802.

Almost surely, 2^12060135522 is an apocalyptic number.

12060135522 is an abundant number, since it is smaller than the sum of its proper divisors (14963501844).

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

12060135522 is an equidigital number, since it uses as much as digits as its factorization.

12060135522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74445295 (or 74445286 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 12060135522 in words is "twelve billion, sixty million, one hundred thirty-five thousand, five hundred twenty-two".