122199664485 has 16 divisors (see below), whose sum is σ = 198273260160. Its totient is φ = 64255222080.

The previous prime is 122199664409. The next prime is 122199664487. The reversal of 122199664485 is 584466991221.

It is a happy number.

It is not a de Polignac number, because 122199664485 - 2¹⁰ = 122199663461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122199664487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57369670 + ... + 57371799.

It is an arithmetic number, because the mean of its divisors is an integer number (12392078760).

Almost surely, 2^122199664485 is an apocalyptic number.

122199664485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122199664485 is a deficient number, since it is larger than the sum of its proper divisors (76073595675).

122199664485 is a wasteful number, since it uses less digits than its factorization.

122199664485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114741548.

The product of its digits is 7464960, while the sum is 57.

The spelling of 122199664485 in words is "one hundred twenty-two billion, one hundred ninety-nine million, six hundred sixty-four thousand, four hundred eighty-five".