252650126512 has 80 divisors (see below), whose sum is σ = 579260692800. Its totient is φ = 104449121280.

The previous prime is 252650126497. The next prime is 252650126543. The reversal of 252650126512 is 215621056252.

It is a super-2 number, since 2×252650126512² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3566962 + ... + 3637102.

It is an arithmetic number, because the mean of its divisors is an integer number (7240758660).

Almost surely, 2^252650126512 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 252650126512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289630346400).

252650126512 is an abundant number, since it is smaller than the sum of its proper divisors (326610566288).

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

252650126512 is a wasteful number, since it uses less digits than its factorization.

252650126512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71294 (or 71288 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 252650126512 in words is "two hundred fifty-two billion, six hundred fifty million, one hundred twenty-six thousand, five hundred twelve".