12612055443 has 12 divisors (see below), whose sum is σ = 18209122200. Its totient is φ = 7761264576.

The previous prime is 12612055441. The next prime is 12612055481. The reversal of 12612055443 is 34455021621.

It is not a de Polignac number, because 12612055443 - 2¹ = 12612055441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12612055441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12437418 + ... + 12438431.

It is an arithmetic number, because the mean of its divisors is an integer number (1517426850).

Almost surely, 2^12612055443 is an apocalyptic number.

12612055443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12612055443 is a deficient number, since it is larger than the sum of its proper divisors (5597066757).

12612055443 is a wasteful number, since it uses less digits than its factorization.

12612055443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24875878 (or 24875865 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 12612055443 in words is "twelve billion, six hundred twelve million, fifty-five thousand, four hundred forty-three".