122147663123 has 16 divisors (see below), whose sum is σ = 124574145696. Its totient is φ = 119746314240.

The previous prime is 122147663119. The next prime is 122147663171. The reversal of 122147663123 is 321366741221.

It is a cyclic number.

It is not a de Polignac number, because 122147663123 - 2² = 122147663119 is a prime.

It is a super-2 number, since 2×122147663123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122147663623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32475563 + ... + 32479323.

It is an arithmetic number, because the mean of its divisors is an integer number (7785884106).

Almost surely, 2^122147663123 is an apocalyptic number.

122147663123 is a deficient number, since it is larger than the sum of its proper divisors (2426482573).

122147663123 is a wasteful number, since it uses less digits than its factorization.

122147663123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6934.

The product of its digits is 72576, while the sum is 38.

The spelling of 122147663123 in words is "one hundred twenty-two billion, one hundred forty-seven million, six hundred sixty-three thousand, one hundred twenty-three".