12400160228021 has 8 divisors (see below), whose sum is σ = 12408929154240. Its totient is φ = 12391391674368.

The previous prime is 12400160227969. The next prime is 12400160228023. The reversal of 12400160228021 is 12082206100421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12400160228021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400160228023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125449400 + ... + 125548206.

It is an arithmetic number, because the mean of its divisors is an integer number (1551116144280).

Almost surely, 2^{12400160228021} is an apocalyptic number.

It is an amenable number.

12400160228021 is a deficient number, since it is larger than the sum of its proper divisors (8768926219).

12400160228021 is an equidigital number, since it uses as much as digits as its factorization.

12400160228021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186283.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 12400160228021 its reverse (12082206100421), we get a palindrome (24482366328442).

The spelling of 12400160228021 in words is "twelve trillion, four hundred billion, one hundred sixty million, two hundred twenty-eight thousand, twenty-one".