125954954312 has 64 divisors (see below), whose sum is σ = 263794449600. Its totient is φ = 55885213440.

The previous prime is 125954954291. The next prime is 125954954351. The reversal of 125954954312 is 213459459521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6457118 + ... + 6476594.

It is an arithmetic number, because the mean of its divisors is an integer number (4121788275).

Almost surely, 2^125954954312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125954954312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131897224800).

125954954312 is an abundant number, since it is smaller than the sum of its proper divisors (137839495288).

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

125954954312 is a wasteful number, since it uses less digits than its factorization.

125954954312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21246 (or 21242 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 50.

The spelling of 125954954312 in words is "one hundred twenty-five billion, nine hundred fifty-four million, nine hundred fifty-four thousand, three hundred twelve".