12421080475 has 12 divisors (see below), whose sum is σ = 15405280864. Its totient is φ = 9934837920.

The previous prime is 12421080457. The next prime is 12421080521. The reversal of 12421080475 is 57408012421.

It is not a de Polignac number, because 12421080475 - 2²³ = 12412691867 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 12421080475.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81097 + ... + 177253.

Almost surely, 2^12421080475 is an apocalyptic number.

12421080475 is a deficient number, since it is larger than the sum of its proper divisors (2984200389).

12421080475 is an equidigital number, since it uses as much as digits as its factorization.

12421080475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101334 (or 101329 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

Adding to 12421080475 its reverse (57408012421), we get a palindrome (69829092896).

The spelling of 12421080475 in words is "twelve billion, four hundred twenty-one million, eighty thousand, four hundred seventy-five".