12231052152 has 64 divisors (see below), whose sum is σ = 35319628800. Its totient is φ = 3488355840.

The previous prime is 12231052147. The next prime is 12231052181. The reversal of 12231052152 is 25125013221.

It is a super-2 number, since 2×12231052152² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent 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, 1358152 + ... + 1367127.

It is an arithmetic number, because the mean of its divisors is an integer number (551869200).

Almost surely, 2^12231052152 is an apocalyptic number.

12231052152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12231052152 is an abundant number, since it is smaller than the sum of its proper divisors (23088576648).

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

12231052152 is a wasteful number, since it uses less digits than its factorization.

12231052152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725316 (or 2725312 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 12231052152 its reverse (25125013221), we get a palindrome (37356065373).

The spelling of 12231052152 in words is "twelve billion, two hundred thirty-one million, fifty-two thousand, one hundred fifty-two".