252412134621 has 8 divisors (see below), whose sum is σ = 339199509504. Its totient is φ = 166949758080.

The previous prime is 252412134599. The next prime is 252412134641. The reversal of 252412134621 is 126431214252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252412134621 - 2⁷ = 252412134493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252412134641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331249140 + ... + 331249901.

It is an arithmetic number, because the mean of its divisors is an integer number (42399938688).

Almost surely, 2^252412134621 is an apocalyptic number.

It is an amenable number.

252412134621 is a deficient number, since it is larger than the sum of its proper divisors (86787374883).

252412134621 is a wasteful number, since it uses less digits than its factorization.

252412134621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662499171.

The product of its digits is 23040, while the sum is 33.

Adding to 252412134621 its reverse (126431214252), we get a palindrome (378843348873).

The spelling of 252412134621 in words is "two hundred fifty-two billion, four hundred twelve million, one hundred thirty-four thousand, six hundred twenty-one".