612126252 has 18 divisors (see below), whose sum is σ = 1547319228. Its totient is φ = 204042072.

The previous prime is 612126181. The next prime is 612126257. The reversal of 612126252 is 252621216.

612126252 is a `hidden beast` number, since 612 + 1 + 26 + 25 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (612126257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8501718 + ... + 8501789.

Almost surely, 2^612126252 is an apocalyptic number.

It is an amenable number.

612126252 is an abundant number, since it is smaller than the sum of its proper divisors (935192976).

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

612126252 is a wasteful number, since it uses less digits than its factorization.

612126252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17003517 (or 17003512 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 612126252 is about 24741.1853394295. The cubic root of 612126252 is about 849.0768533691.

Adding to 612126252 its reverse (252621216), we get a palindrome (864747468).

The spelling of 612126252 in words is "six hundred twelve million, one hundred twenty-six thousand, two hundred fifty-two".