12650125125126 has 64 divisors (see below), whose sum is σ = 25644521825280. Its totient is φ = 4159829364480.

The previous prime is 12650125125107. The next prime is 12650125125133. The reversal of 12650125125126 is 62152152105621.

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 31 ways as a sum of consecutive naturals, for example, 71206506 + ... + 71383938.

It is an arithmetic number, because the mean of its divisors is an integer number (400695653520).

Almost surely, 2^{12650125125126} is an apocalyptic number.

12650125125126 is an abundant number, since it is smaller than the sum of its proper divisors (12994396700154).

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

12650125125126 is a wasteful number, since it uses less digits than its factorization.

12650125125126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178141.

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 12650125125126 in words is "twelve trillion, six hundred fifty billion, one hundred twenty-five million, one hundred twenty-five thousand, one hundred twenty-six".