12520976489 has 8 divisors (see below), whose sum is σ = 14362885440. Its totient is φ = 10692367056.

The previous prime is 12520976483. The next prime is 12520976491. The reversal of 12520976489 is 98467902521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12520976489 - 2⁴ = 12520976473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12520976489.

It is not an unprimeable number, because it can be changed into a prime (12520976483) 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, 3322859 + ... + 3326624.

It is an arithmetic number, because the mean of its divisors is an integer number (1795360680).

Almost surely, 2^12520976489 is an apocalyptic number.

It is an amenable number.

12520976489 is a deficient number, since it is larger than the sum of its proper divisors (1841908951).

12520976489 is an equidigital number, since it uses as much as digits as its factorization.

12520976489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649759.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 12520976489 in words is "twelve billion, five hundred twenty million, nine hundred seventy-six thousand, four hundred eighty-nine".