252220013212 has 12 divisors (see below), whose sum is σ = 444860496640. Its totient is φ = 125117014176.

The previous prime is 252220013207. The next prime is 252220013321. The reversal of 252220013212 is 212310022252.

It is a super-2 number, since 2×252220013212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248247537 + ... + 248248552.

Almost surely, 2^252220013212 is an apocalyptic number.

It is an amenable number.

252220013212 is a deficient number, since it is larger than the sum of its proper divisors (192640483428).

252220013212 is a wasteful number, since it uses less digits than its factorization.

252220013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496496220 (or 496496218 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 252220013212 its reverse (212310022252), we get a palindrome (464530035464).

The spelling of 252220013212 in words is "two hundred fifty-two billion, two hundred twenty million, thirteen thousand, two hundred twelve".