12401251663000 has 64 divisors (see below), whose sum is σ = 29117970292320. Its totient is φ = 4943570512000.

The previous prime is 12401251662959. The next prime is 12401251663013. The reversal of 12401251663000 is 36615210421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20869546 + ... + 21455545.

Almost surely, 2^{12401251663000} is an apocalyptic number.

12401251663000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12401251663000 is an abundant number, since it is smaller than the sum of its proper divisors (16716718629320).

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

12401251663000 is a wasteful number, since it uses less digits than its factorization.

12401251663000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42325405 (or 42325391 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 12401251663000 its reverse (36615210421), we get a palindrome (12437866873421).

The spelling of 12401251663000 in words is "twelve trillion, four hundred one billion, two hundred fifty-one million, six hundred sixty-three thousand".