12122332989 has 24 divisors (see below), whose sum is σ = 17798755680. Its totient is φ = 7333440192.

The previous prime is 12122332967. The next prime is 12122332993. The reversal of 12122332989 is 98923322121.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12122332989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12122332989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122337989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172714 + ... + 232539.

It is an arithmetic number, because the mean of its divisors is an integer number (741614820).

Almost surely, 2^12122332989 is an apocalyptic number.

It is an amenable number.

12122332989 is a deficient number, since it is larger than the sum of its proper divisors (5676422691).

12122332989 is a wasteful number, since it uses less digits than its factorization.

12122332989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405341 (or 405328 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The spelling of 12122332989 in words is "twelve billion, one hundred twenty-two million, three hundred thirty-two thousand, nine hundred eighty-nine".