12560280454 has 4 divisors (see below), whose sum is σ = 18840420684. Its totient is φ = 6280140226.

The previous prime is 12560280449. The next prime is 12560280461. The reversal of 12560280454 is 45408206521.

12560280454 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12560280454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3140070112 + ... + 3140070115.

It is an arithmetic number, because the mean of its divisors is an integer number (4710105171).

Almost surely, 2^12560280454 is an apocalyptic number.

12560280454 is a deficient number, since it is larger than the sum of its proper divisors (6280140230).

12560280454 is an equidigital number, since it uses as much as digits as its factorization.

12560280454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280140229.

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 12560280454 its reverse (45408206521), we get a palindrome (57968486975).

The spelling of 12560280454 in words is "twelve billion, five hundred sixty million, two hundred eighty thousand, four hundred fifty-four".