120010135252 has 96 divisors (see below), whose sum is σ = 257549644800. Its totient is φ = 47790093312.

The previous prime is 120010135247. The next prime is 120010135277. The reversal of 120010135252 is 252531010021.

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, 6127908 + ... + 6147460.

It is an arithmetic number, because the mean of its divisors is an integer number (2682808800).

Almost surely, 2^120010135252 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 120010135252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128774822400).

120010135252 is an abundant number, since it is smaller than the sum of its proper divisors (137539509548).

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

120010135252 is a wasteful number, since it uses less digits than its factorization.

120010135252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19805 (or 19803 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 120010135252 its reverse (252531010021), we get a palindrome (372541145273).

The spelling of 120010135252 in words is "one hundred twenty billion, ten million, one hundred thirty-five thousand, two hundred fifty-two".