12213323052 has 48 divisors (see below), whose sum is σ = 32589123840. Its totient is φ = 3487349952.

The previous prime is 12213323047. The next prime is 12213323077. The reversal of 12213323052 is 25032331221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93099 + ... + 181917.

It is an arithmetic number, because the mean of its divisors is an integer number (678940080).

Almost surely, 2^12213323052 is an apocalyptic number.

12213323052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12213323052 is an abundant number, since it is smaller than the sum of its proper divisors (20375800788).

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

12213323052 is a wasteful number, since it uses less digits than its factorization.

12213323052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90470 (or 90468 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 12213323052 its reverse (25032331221), we get a palindrome (37245654273).

The spelling of 12213323052 in words is "twelve billion, two hundred thirteen million, three hundred twenty-three thousand, fifty-two".