252151211204 has 12 divisors (see below), whose sum is σ = 441394848300. Its totient is φ = 126038397408.

The previous prime is 252151211161. The next prime is 252151211269. The reversal of 252151211204 is 402112151252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 137419972804 + 114731238400 = 370702^2 + 338720^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9286799 + ... + 9313910.

It is an arithmetic number, because the mean of its divisors is an integer number (36782904025).

Almost surely, 2^252151211204 is an apocalyptic number.

It is an amenable number.

252151211204 is a deficient number, since it is larger than the sum of its proper divisors (189243637096).

252151211204 is a wasteful number, since it uses less digits than its factorization.

252151211204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18604102 (or 18604100 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 252151211204 its reverse (402112151252), we get a palindrome (654263362456).

The spelling of 252151211204 in words is "two hundred fifty-two billion, one hundred fifty-one million, two hundred eleven thousand, two hundred four".