12401025140 has 48 divisors (see below), whose sum is σ = 30069322752. Its totient is φ = 4207942656.

The previous prime is 12401025121. The next prime is 12401025149. The reversal of 12401025140 is 4152010421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401025149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443012 + ... + 470171.

It is an arithmetic number, because the mean of its divisors is an integer number (626444224).

Almost surely, 2^12401025140 is an apocalyptic number.

12401025140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12401025140 is an abundant number, since it is smaller than the sum of its proper divisors (17668297612).

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

12401025140 is a wasteful number, since it uses less digits than its factorization.

12401025140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913296 (or 913294 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 12401025140 its reverse (4152010421), we get a palindrome (16553035561).

The spelling of 12401025140 in words is "twelve billion, four hundred one million, twenty-five thousand, one hundred forty".