12118452637 has 8 divisors (see below), whose sum is σ = 12578488832. Its totient is φ = 11662736400.

The previous prime is 12118452623. The next prime is 12118452701. The reversal of 12118452637 is 73625481121.

12118452637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12118452637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12118452637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12118452337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074273 + ... + 1085494.

It is an arithmetic number, because the mean of its divisors is an integer number (1572311104).

Almost surely, 2^12118452637 is an apocalyptic number.

It is an amenable number.

12118452637 is a deficient number, since it is larger than the sum of its proper divisors (460036195).

12118452637 is a wasteful number, since it uses less digits than its factorization.

12118452637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159979.

The product of its digits is 80640, while the sum is 40.

The spelling of 12118452637 in words is "twelve billion, one hundred eighteen million, four hundred fifty-two thousand, six hundred thirty-seven".