122249389989 has 8 divisors (see below), whose sum is σ = 163096973280. Its totient is φ = 81450700016.

The previous prime is 122249389949. The next prime is 122249389993. The reversal of 122249389989 is 989983942221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122249389989 - 2¹⁷ = 122249258917 is a prime.

It is a super-2 number, since 2×122249389989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122249389909) 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, 12217494 + ... + 12227495.

It is an arithmetic number, because the mean of its divisors is an integer number (20387121660).

Almost surely, 2^122249389989 is an apocalyptic number.

It is an amenable number.

122249389989 is a deficient number, since it is larger than the sum of its proper divisors (40847583291).

122249389989 is a wasteful number, since it uses less digits than its factorization.

122249389989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24446659.

The product of its digits is 40310784, while the sum is 66.

The spelling of 122249389989 in words is "one hundred twenty-two billion, two hundred forty-nine million, three hundred eighty-nine thousand, nine hundred eighty-nine".