12238421485 has 16 divisors (see below), whose sum is σ = 15048597312. Its totient is φ = 9549212800.

The previous prime is 12238421471. The next prime is 12238421527. The reversal of 12238421485 is 58412483221.

It is a happy number.

It is not a de Polignac number, because 12238421485 - 2⁷ = 12238421357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004802 + ... + 1016908.

It is an arithmetic number, because the mean of its divisors is an integer number (940537332).

Almost surely, 2^12238421485 is an apocalyptic number.

It is an amenable number.

12238421485 is a deficient number, since it is larger than the sum of its proper divisors (2810175827).

12238421485 is a wasteful number, since it uses less digits than its factorization.

12238421485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17084.

The product of its digits is 122880, while the sum is 40.

The spelling of 12238421485 in words is "twelve billion, two hundred thirty-eight million, four hundred twenty-one thousand, four hundred eighty-five".