12457154332 has 12 divisors (see below), whose sum is σ = 24914308720. Its totient is φ = 5338780416.

The previous prime is 12457154327. The next prime is 12457154371. The reversal of 12457154332 is 23345175421.

12457154332 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12457154291 and 12457154300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222449157 + ... + 222449212.

Almost surely, 2^12457154332 is an apocalyptic number.

It is an amenable number.

12457154332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12457154332 is a wasteful number, since it uses less digits than its factorization.

12457154332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444898380 (or 444898378 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The spelling of 12457154332 in words is "twelve billion, four hundred fifty-seven million, one hundred fifty-four thousand, three hundred thirty-two".