12183557452 has 24 divisors (see below), whose sum is σ = 23291573760. Its totient is φ = 5530348560.

The previous prime is 12183557437. The next prime is 12183557453. The reversal of 12183557452 is 25475538121.

It is a junction number, because it is equal to n+sod(n) for n = 12183557399 and 12183557408.

It is not an unprimeable number, because it can be changed into a prime (12183557453) 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, 158452 + ... + 222427.

It is an arithmetic number, because the mean of its divisors is an integer number (970482240).

Almost surely, 2^12183557452 is an apocalyptic number.

It is an amenable number.

12183557452 is a deficient number, since it is larger than the sum of its proper divisors (11108016308).

12183557452 is a wasteful number, since it uses less digits than its factorization.

12183557452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381621 (or 381619 counting only the distinct ones).

The product of its digits is 336000, while the sum is 43.

The spelling of 12183557452 in words is "twelve billion, one hundred eighty-three million, five hundred fifty-seven thousand, four hundred fifty-two".