12451202256 has 40 divisors (see below), whose sum is σ = 32400408384. Its totient is φ = 4120103680.

The previous prime is 12451202251. The next prime is 12451202273. The reversal of 12451202256 is 65220215421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451202251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940140 + ... + 953291.

Almost surely, 2^12451202256 is an apocalyptic number.

12451202256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12451202256 is an abundant number, since it is smaller than the sum of its proper divisors (19949206128).

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

12451202256 is a wasteful number, since it uses less digits than its factorization.

12451202256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893579 (or 1893573 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 12451202256 its reverse (65220215421), we get a palindrome (77671417677).

The spelling of 12451202256 in words is "twelve billion, four hundred fifty-one million, two hundred two thousand, two hundred fifty-six".