12453212232 has 48 divisors (see below), whose sum is σ = 35711420940. Its totient is φ = 3906889728.

The previous prime is 12453212221. The next prime is 12453212251. The reversal of 12453212232 is 23221235421.

12453212232 is a `hidden beast` number, since 1 + 2 + 4 + 532 + 122 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11991564036 + 461648196 = 109506^2 + 21486^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12453212196 and 12453212205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5085873 + ... + 5088320.

Almost surely, 2^12453212232 is an apocalyptic number.

12453212232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12453212232 is an abundant number, since it is smaller than the sum of its proper divisors (23258208708).

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

12453212232 is a wasteful number, since it uses less digits than its factorization.

12453212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10174222 (or 10174215 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

Adding to 12453212232 its reverse (23221235421), we get a palindrome (35674447653).

The spelling of 12453212232 in words is "twelve billion, four hundred fifty-three million, two hundred twelve thousand, two hundred thirty-two".