12400157320442 has 8 divisors (see below), whose sum is σ = 18631922926176. Its totient is φ = 6189516345052.

The previous prime is 12400157320417. The next prime is 12400157320457. The reversal of 12400157320442 is 24402375100421.

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

It is a super-2 number, since 2×12400157320442² (a number of 27 digits) contains 22 as substring.

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, 5281156118 + ... + 5281158465.

It is an arithmetic number, because the mean of its divisors is an integer number (2328990365772).

Almost surely, 2^{12400157320442} is an apocalyptic number.

12400157320442 is a deficient number, since it is larger than the sum of its proper divisors (6231765605734).

12400157320442 is a wasteful number, since it uses less digits than its factorization.

12400157320442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562315172.

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 12400157320442 in words is "twelve trillion, four hundred billion, one hundred fifty-seven million, three hundred twenty thousand, four hundred forty-two".