252211101612 has 24 divisors (see below), whose sum is σ = 588666313200. Its totient is φ = 84045546816.

The previous prime is 252211101607. The next prime is 252211101613. The reversal of 252211101612 is 216101112252.

It is a happy number.

It is a super-2 number, since 2×252211101612² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252211101613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3060187 + ... + 3141522.

It is an arithmetic number, because the mean of its divisors is an integer number (24527763050).

Almost surely, 2^252211101612 is an apocalyptic number.

It is an amenable number.

252211101612 is an abundant number, since it is smaller than the sum of its proper divisors (336455211588).

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

252211101612 is a wasteful number, since it uses less digits than its factorization.

252211101612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205105 (or 6205103 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 252211101612 its reverse (216101112252), we get a palindrome (468312213864).

The spelling of 252211101612 in words is "two hundred fifty-two billion, two hundred eleven million, one hundred one thousand, six hundred twelve".