12845332452 has 24 divisors (see below), whose sum is σ = 30252561696. Its totient is φ = 4241760448.

The previous prime is 12845332427. The next prime is 12845332457. The reversal of 12845332452 is 25423354821.

It is a self number, because there is not a number n which added to its sum of digits gives 12845332452.

It is not an unprimeable number, because it can be changed into a prime (12845332457) 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, 5000793 + ... + 5003360.

It is an arithmetic number, because the mean of its divisors is an integer number (1260523404).

Almost surely, 2^12845332452 is an apocalyptic number.

12845332452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12845332452 is an abundant number, since it is smaller than the sum of its proper divisors (17407229244).

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

12845332452 is a wasteful number, since it uses less digits than its factorization.

12845332452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004267 (or 10004265 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The spelling of 12845332452 in words is "twelve billion, eight hundred forty-five million, three hundred thirty-two thousand, four hundred fifty-two".