12013202420452 has 24 divisors (see below), whose sum is σ = 21097833368192. Its totient is φ = 5985263793600.

The previous prime is 12013202420423. The next prime is 12013202420467. The reversal of 12013202420452 is 25402420231021.

12013202420452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12013202420452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775377 + ... + 5213287.

Almost surely, 2^{12013202420452} is an apocalyptic number.

It is an amenable number.

12013202420452 is a deficient number, since it is larger than the sum of its proper divisors (9084630947740).

12013202420452 is a wasteful number, since it uses less digits than its factorization.

12013202420452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441019 (or 3441017 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 12013202420452 its reverse (25402420231021), we get a palindrome (37415622651473).

The spelling of 12013202420452 in words is "twelve trillion, thirteen billion, two hundred two million, four hundred twenty thousand, four hundred fifty-two".