12401322032 has 20 divisors (see below), whose sum is σ = 26211885576. Its totient is φ = 5636964480.

The previous prime is 12401322013. The next prime is 12401322127. The reversal of 12401322032 is 23022310421.

It is a junction number, because it is equal to n+sod(n) for n = 12401321995 and 12401322013.

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, 35230853 + ... + 35231204.

Almost surely, 2^12401322032 is an apocalyptic number.

It is an amenable number.

12401322032 is an abundant number, since it is smaller than the sum of its proper divisors (13810563544).

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

12401322032 is a wasteful number, since it uses less digits than its factorization.

12401322032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70462076 (or 70462070 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12401322032 its reverse (23022310421), we get a palindrome (35423632453).

It can be divided in two parts, 12401 and 322032, that added together give a palindrome (334433).

The spelling of 12401322032 in words is "twelve billion, four hundred one million, three hundred twenty-two thousand, thirty-two".