12126389307000 has 64 divisors (see below), whose sum is σ = 37834334647200. Its totient is φ = 3233703814400.

The previous prime is 12126389306971. The next prime is 12126389307001. The reversal of 12126389307000 is 70398362121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12126389307001) 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, 2021061885 + ... + 2021067884.

Almost surely, 2^{12126389307000} is an apocalyptic number.

12126389307000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12126389307000 is an abundant number, since it is smaller than the sum of its proper divisors (25707945340200).

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

12126389307000 is a wasteful number, since it uses less digits than its factorization.

12126389307000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042129793 (or 4042129779 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 12126389307000 in words is "twelve trillion, one hundred twenty-six billion, three hundred eighty-nine million, three hundred seven thousand".