12418972989 has 8 divisors (see below), whose sum is σ = 16566238560. Its totient is φ = 8275511376.

The previous prime is 12418972987. The next prime is 12418972997. The reversal of 12418972989 is 98927981421.

It is a happy number.

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

It is not a de Polignac number, because 12418972989 - 2¹ = 12418972987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12418972987) 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, 943362 + ... + 956435.

It is an arithmetic number, because the mean of its divisors is an integer number (2070779820).

Almost surely, 2^12418972989 is an apocalyptic number.

It is an amenable number.

12418972989 is a deficient number, since it is larger than the sum of its proper divisors (4147265571).

12418972989 is a wasteful number, since it uses less digits than its factorization.

12418972989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901979.

The product of its digits is 5225472, while the sum is 60.

The spelling of 12418972989 in words is "twelve billion, four hundred eighteen million, nine hundred seventy-two thousand, nine hundred eighty-nine".