12049974852 has 48 divisors (see below), whose sum is σ = 29141555520. Its totient is φ = 3872230272.

The previous prime is 12049974851. The next prime is 12049974899. The reversal of 12049974852 is 25847994021.

It is a junction number, because it is equal to n+sod(n) for n = 12049974795 and 12049974804.

It is not an unprimeable number, because it can be changed into a prime (12049974851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76098 + ... + 172889.

It is an arithmetic number, because the mean of its divisors is an integer number (607115740).

Almost surely, 2^12049974852 is an apocalyptic number.

12049974852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12049974852 is an abundant number, since it is smaller than the sum of its proper divisors (17091580668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12049974852 is a wasteful number, since it uses less digits than its factorization.

12049974852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249140 (or 249138 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 12049974852 in words is "twelve billion, forty-nine million, nine hundred seventy-four thousand, eight hundred fifty-two".