12013030452 has 48 divisors (see below), whose sum is σ = 28676979072. Its totient is φ = 3912975360.

The previous prime is 12013030439. The next prime is 12013030487. The reversal of 12013030452 is 25403031021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33888 + ... + 158664.

It is an arithmetic number, because the mean of its divisors is an integer number (597437064).

Almost surely, 2^12013030452 is an apocalyptic number.

12013030452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12013030452 is an abundant number, since it is smaller than the sum of its proper divisors (16663948620).

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

12013030452 is a wasteful number, since it uses less digits than its factorization.

12013030452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124968 (or 124966 counting only the distinct ones).

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

Adding to 12013030452 its reverse (25403031021), we get a palindrome (37416061473).

The spelling of 12013030452 in words is "twelve billion, thirteen million, thirty thousand, four hundred fifty-two".