122550136899 has 8 divisors (see below), whose sum is σ = 163977569472. Its totient is φ = 81411397800.

The previous prime is 122550136871. The next prime is 122550136937. The reversal of 122550136899 is 998631055221.

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 122550136899 - 2⁷ = 122550136771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122550136399) 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, 72172377 + ... + 72174074.

It is an arithmetic number, because the mean of its divisors is an integer number (20497196184).

Almost surely, 2^122550136899 is an apocalyptic number.

122550136899 is a deficient number, since it is larger than the sum of its proper divisors (41427432573).

122550136899 is a wasteful number, since it uses less digits than its factorization.

122550136899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144346737.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 122550136899 in words is "one hundred twenty-two billion, five hundred fifty million, one hundred thirty-six thousand, eight hundred ninety-nine".