252252140412 has 24 divisors (see below), whose sum is σ = 589993084800. Its totient is φ = 83883367216.

The previous prime is 252252140407. The next prime is 252252140423. The reversal of 252252140412 is 214041252252.

It is a super-2 number, since 2×252252140412² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252252140412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25079712 + ... + 25089767.

It is an arithmetic number, because the mean of its divisors is an integer number (24583045200).

Almost surely, 2^252252140412 is an apocalyptic number.

It is an amenable number.

252252140412 is an abundant number, since it is smaller than the sum of its proper divisors (337740944388).

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

252252140412 is a wasteful number, since it uses less digits than its factorization.

252252140412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50169905 (or 50169903 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 252252140412 its reverse (214041252252), we get a palindrome (466293392664).

The spelling of 252252140412 in words is "two hundred fifty-two billion, two hundred fifty-two million, one hundred forty thousand, four hundred twelve".