12013520132 has 12 divisors (see below), whose sum is σ = 21076619340. Its totient is φ = 5991628896.

The previous prime is 12013520119. The next prime is 12013520147. The reversal of 12013520132 is 23102531021.

It can be written as a sum of positive squares in 2 ways, for example, as 2938290436 + 9075229696 = 54206^2 + 95264^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3781007 + ... + 3784182.

It is an arithmetic number, because the mean of its divisors is an integer number (1756384945).

Almost surely, 2^12013520132 is an apocalyptic number.

It is an amenable number.

12013520132 is a deficient number, since it is larger than the sum of its proper divisors (9063099208).

12013520132 is a wasteful number, since it uses less digits than its factorization.

12013520132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7565590 (or 7565588 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 12013520132 in words is "twelve billion, thirteen million, five hundred twenty thousand, one hundred thirty-two".