12213152042252 has 24 divisors (see below), whose sum is σ = 25711899037440. Its totient is φ = 4958723385360.

The previous prime is 12213152042227. The next prime is 12213152042269. The reversal of 12213152042252 is 25224025131221.

It is a super-2 number, since 2×12213152042252² (a number of 27 digits) contains 22 as substring.

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, 11478525824 + ... + 11478526887.

It is an arithmetic number, because the mean of its divisors is an integer number (1071329126560).

Almost surely, 2^{12213152042252} is an apocalyptic number.

It is an amenable number.

12213152042252 is an abundant number, since it is smaller than the sum of its proper divisors (13498746995188).

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

12213152042252 is a wasteful number, since it uses less digits than its factorization.

12213152042252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22957052741 (or 22957052739 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 12213152042252 its reverse (25224025131221), we get a palindrome (37437177173473).

The spelling of 12213152042252 in words is "twelve trillion, two hundred thirteen billion, one hundred fifty-two million, forty-two thousand, two hundred fifty-two".