12400046542100 has 72 divisors (see below), whose sum is σ = 30777098972928. Its totient is φ = 4247990582400.

The previous prime is 12400046542099. The next prime is 12400046542111. The reversal of 12400046542100 is 124564000421.

It is a super-2 number, since 2×12400046542100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6333407 + ... + 8056806.

Almost surely, 2^{12400046542100} is an apocalyptic number.

12400046542100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12400046542100 is an abundant number, since it is smaller than the sum of its proper divisors (18377052430828).

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

12400046542100 is a wasteful number, since it uses less digits than its factorization.

12400046542100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14391465 (or 14391458 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 12400046542100 in words is "twelve trillion, four hundred billion, forty-six million, five hundred forty-two thousand, one hundred".