252001212 has 24 divisors (see below), whose sum is σ = 591292800. Its totient is φ = 83530416.

The previous prime is 252001207. The next prime is 252001229. The reversal of 252001212 is 212100252.

It is a super-3 number, since 3×252001212³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 252001191 and 252001200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56512 + ... + 60807.

It is an arithmetic number, because the mean of its divisors is an integer number (24637200).

Almost surely, 2^252001212 is an apocalyptic number.

It is an amenable number.

252001212 is an abundant number, since it is smaller than the sum of its proper divisors (339291588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252001212 is a wasteful number, since it uses less digits than its factorization.

252001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117505 (or 117503 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 252001212 is about 15874.5460407534. The cubic root of 252001212 is about 631.6369723867.

Adding to 252001212 its reverse (212100252), we get a palindrome (464101464).

The spelling of 252001212 in words is "two hundred fifty-two million, one thousand, two hundred twelve".