12352331532 has 48 divisors (see below), whose sum is σ = 29521745792. Its totient is φ = 4017686400.

The previous prime is 12352331521. The next prime is 12352331569. The reversal of 12352331532 is 23513325321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12352331532.

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, 530928 + ... + 553704.

Almost surely, 2^12352331532 is an apocalyptic number.

12352331532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12352331532 is an abundant number, since it is smaller than the sum of its proper divisors (17169414260).

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

12352331532 is a wasteful number, since it uses less digits than its factorization.

12352331532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23878 (or 23876 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

Adding to 12352331532 its reverse (23513325321), we get a palindrome (35865656853).

The spelling of 12352331532 in words is "twelve billion, three hundred fifty-two million, three hundred thirty-one thousand, five hundred thirty-two".