12451032400 has 30 divisors (see below), whose sum is σ = 29913606302. Its totient is φ = 4980412800.

The previous prime is 12451032379. The next prime is 12451032413. The reversal of 12451032400 is 423015421.

It can be written as a sum of positive squares in 3 ways, for example, as 1237069584 + 11213962816 = 35172^2 + 105896^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15563391 + ... + 15564190.

Almost surely, 2^12451032400 is an apocalyptic number.

12451032400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12451032400 is an abundant number, since it is smaller than the sum of its proper divisors (17462573902).

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

12451032400 is a wasteful number, since it uses less digits than its factorization.

12451032400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31127599 (or 31127588 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12451032400 its reverse (423015421), we get a palindrome (12874047821).

The spelling of 12451032400 in words is "twelve billion, four hundred fifty-one million, thirty-two thousand, four hundred".