252122204144 has 10 divisors (see below), whose sum is σ = 488486770560. Its totient is φ = 126061102064.

The previous prime is 252122204119. The next prime is 252122204177. The reversal of 252122204144 is 441402221252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7878818864 + ... + 7878818895.

It is an arithmetic number, because the mean of its divisors is an integer number (48848677056).

Almost surely, 2^252122204144 is an apocalyptic number.

It is an amenable number.

252122204144 is a deficient number, since it is larger than the sum of its proper divisors (236364566416).

252122204144 is a wasteful number, since it uses less digits than its factorization.

252122204144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15757637767 (or 15757637761 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 252122204144 its reverse (441402221252), we get a palindrome (693524425396).

The spelling of 252122204144 in words is "two hundred fifty-two billion, one hundred twenty-two million, two hundred four thousand, one hundred forty-four".