12401442331000 has 32 divisors (see below), whose sum is σ = 29019375056880. Its totient is φ = 4960576932000.

The previous prime is 12401442330989. The next prime is 12401442331001. The reversal of 12401442331000 is 13324410421.

It is a super-2 number, since 2×12401442331000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401442331001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6200720166 + ... + 6200722165.

Almost surely, 2^{12401442331000} is an apocalyptic number.

12401442331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12401442331000 is an abundant number, since it is smaller than the sum of its proper divisors (16617932725880).

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

12401442331000 is a wasteful number, since it uses less digits than its factorization.

12401442331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12401442352 (or 12401442338 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12401442331000 its reverse (13324410421), we get a palindrome (12414766741421).

The spelling of 12401442331000 in words is "twelve trillion, four hundred one billion, four hundred forty-two million, three hundred thirty-one thousand".