252212502205 has 16 divisors (see below), whose sum is σ = 303824746800. Its totient is φ = 200990394880.

The previous prime is 252212502167. The next prime is 252212502209. The reversal of 252212502205 is 502205212252.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5381396164 + 246831106041 = 73358^2 + 496821^2 .

It is not a de Polignac number, because 252212502205 - 2⁷ = 252212502077 is a prime.

It is a super-2 number, since 2×252212502205² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252212502209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16510311 + ... + 16525579.

It is an arithmetic number, because the mean of its divisors is an integer number (18989046675).

Almost surely, 2^252212502205 is an apocalyptic number.

It is an amenable number.

252212502205 is a deficient number, since it is larger than the sum of its proper divisors (51612244595).

252212502205 is a wasteful number, since it uses less digits than its factorization.

252212502205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27824.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 252212502205 its reverse (502205212252), we get a palindrome (754417714457).

The spelling of 252212502205 in words is "two hundred fifty-two billion, two hundred twelve million, five hundred two thousand, two hundred five".