12401204032 has 56 divisors (see below), whose sum is σ = 29346973056. Its totient is φ = 5083719168.

The previous prime is 12401204027. The next prime is 12401204089. The reversal of 12401204032 is 23040210421.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×12401204032² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 591463 + ... + 612070.

Almost surely, 2^12401204032 is an apocalyptic number.

It is an amenable number.

12401204032 is an abundant number, since it is smaller than the sum of its proper divisors (16945769024).

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

12401204032 is a wasteful number, since it uses less digits than its factorization.

12401204032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203575 (or 1203565 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12401204032 its reverse (23040210421), we get a palindrome (35441414453).

The spelling of 12401204032 in words is "twelve billion, four hundred one million, two hundred four thousand, thirty-two".