12482228421 has 24 divisors (see below), whose sum is σ = 19448898560. Its totient is φ = 7668673056.

The previous prime is 12482228417. The next prime is 12482228431.

12482228421 is a `hidden beast` number, since 1 + 2 + 4 + 8 + 2 + 228 + 421 = 666.

12482228421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12482228421 - 2² = 12482228417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12482228431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16861 + ... + 158898.

Almost surely, 2^12482228421 is an apocalyptic number.

It is an amenable number.

12482228421 is a deficient number, since it is larger than the sum of its proper divisors (6966670139).

12482228421 is a wasteful number, since it uses less digits than its factorization.

12482228421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176385 (or 176382 counting only the distinct ones).

The product of its digits is 32768, while the sum is 36.

The spelling of 12482228421 in words is "twelve billion, four hundred eighty-two million, two hundred twenty-eight thousand, four hundred twenty-one".