125785229312 has 108 divisors (see below), whose sum is σ = 267754773195. Its totient is φ = 59064647680.

The previous prime is 125785229303. The next prime is 125785229359. The reversal of 125785229312 is 213922587521.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 76848710656 + 48936518656 = 277216^2 + 221216^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=250784.

It is a Duffinian number.

Its product of digits (604800) is a multiple of the sum of its prime divisors (480).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 272852762 + ... + 272853222.

Almost surely, 2^125785229312 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 125785229312

125785229312 is an abundant number, since it is smaller than the sum of its proper divisors (141969543883).

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

125785229312 is an frugal number, since it uses more digits than its factorization.

125785229312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 480 counting only the distinct ones).

The product of its digits is 604800, while the sum is 47.

The spelling of 125785229312 in words is "one hundred twenty-five billion, seven hundred eighty-five million, two hundred twenty-nine thousand, three hundred twelve".