252110212 has 6 divisors (see below), whose sum is σ = 441192878. Its totient is φ = 126055104.

The previous prime is 252110207. The next prime is 252110227. The reversal of 252110212 is 212011252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 224820036 + 27290176 = 14994^2 + 5224^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31513773 + ... + 31513780.

Almost surely, 2^252110212 is an apocalyptic number.

It is an amenable number.

252110212 is a deficient number, since it is larger than the sum of its proper divisors (189082666).

252110212 is a wasteful number, since it uses less digits than its factorization.

252110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63027557 (or 63027555 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 252110212 is about 15877.9788386306. The cubic root of 252110212 is about 631.7280281735.

Adding to 252110212 its reverse (212011252), we get a palindrome (464121464).

The spelling of 252110212 in words is "two hundred fifty-two million, one hundred ten thousand, two hundred twelve".