122616341172 has 36 divisors (see below), whose sum is σ = 333788930020. Its totient is φ = 37728104832.

The previous prime is 122616341171. The next prime is 122616341173. The reversal of 122616341172 is 271143616221.

122616341172 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 1 + 634 + 1 + 17 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (122616341171) and next prime (122616341173).

It can be written as a sum of positive squares in 2 ways, for example, as 53933559696 + 68682781476 = 232236^2 + 262074^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122616341171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130999897 + ... + 131000832.

Almost surely, 2^122616341172 is an apocalyptic number.

122616341172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122616341172 is an abundant number, since it is smaller than the sum of its proper divisors (211172588848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122616341172 is a wasteful number, since it uses less digits than its factorization.

122616341172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262000752 (or 262000747 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

Adding to 122616341172 its reverse (271143616221), we get a palindrome (393759957393).

The spelling of 122616341172 in words is "one hundred twenty-two billion, six hundred sixteen million, three hundred forty-one thousand, one hundred seventy-two".