12013040532 has 12 divisors (see below), whose sum is σ = 28030427936. Its totient is φ = 4004346840.

The previous prime is 12013040521. The next prime is 12013040597. The reversal of 12013040532 is 23504031021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12013040499 and 12013040508.

It is a congruent number.

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, 500543344 + ... + 500543367.

Almost surely, 2^12013040532 is an apocalyptic number.

12013040532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12013040532 is an abundant number, since it is smaller than the sum of its proper divisors (16017387404).

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

12013040532 is a wasteful number, since it uses less digits than its factorization.

12013040532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001086718 (or 1001086716 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 12013040532 its reverse (23504031021), we get a palindrome (35517071553).

The spelling of 12013040532 in words is "twelve billion, thirteen million, forty thousand, five hundred thirty-two".