122736452321 has 16 divisors (see below), whose sum is σ = 148547333376. Its totient is φ = 98997006336.

The previous prime is 122736452309. The next prime is 122736452353. The reversal of 122736452321 is 123254637221.

It is a cyclic number.

It is not a de Polignac number, because 122736452321 - 2³⁰ = 121662710497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122736452381) 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, 618305 + ... + 792321.

It is an arithmetic number, because the mean of its divisors is an integer number (9284208336).

Almost surely, 2^122736452321 is an apocalyptic number.

It is an amenable number.

122736452321 is a deficient number, since it is larger than the sum of its proper divisors (25810881055).

122736452321 is a wasteful number, since it uses less digits than its factorization.

122736452321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179968.

The product of its digits is 120960, while the sum is 38.

The spelling of 122736452321 in words is "one hundred twenty-two billion, seven hundred thirty-six million, four hundred fifty-two thousand, three hundred twenty-one".