12052184481 has 28 divisors (see below), whose sum is σ = 19021085520. Its totient is φ = 7611897240.

The previous prime is 12052184477. The next prime is 12052184489. The reversal of 12052184481 is 18448125021.

12052184481 is a `hidden beast` number, since 1 + 205 + 2 + 1 + 8 + 448 + 1 = 666.

It is not a de Polignac number, because 12052184481 - 2² = 12052184477 is a prime.

It is a super-2 number, since 2×12052184481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12052184489) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 421215 + ... + 448916.

Almost surely, 2^12052184481 is an apocalyptic number.

It is an amenable number.

12052184481 is a deficient number, since it is larger than the sum of its proper divisors (6968901039).

12052184481 is an frugal number, since it uses more digits than its factorization.

12052184481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870168 (or 870153 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The spelling of 12052184481 in words is "twelve billion, fifty-two million, one hundred eighty-four thousand, four hundred eighty-one".