12453534004432 has 60 divisors (see below), whose sum is σ = 25659888081696. Its totient is φ = 5854011209280.

The previous prime is 12453534004427. The next prime is 12453534004459. The reversal of 12453534004432 is 23440043535421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7472668 + ... + 8985979.

Almost surely, 2^{12453534004432} is an apocalyptic number.

It is an amenable number.

12453534004432 is an abundant number, since it is smaller than the sum of its proper divisors (13206354077264).

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

12453534004432 is a wasteful number, since it uses less digits than its factorization.

12453534004432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16458824 (or 16458799 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 12453534004432 its reverse (23440043535421), we get a palindrome (35893577539853).

The spelling of 12453534004432 in words is "twelve trillion, four hundred fifty-three billion, five hundred thirty-four million, four thousand, four hundred thirty-two".