122222045371680 has 144 divisors (see below), whose sum is σ = 418813364753784. Its totient is φ = 32457306562560.

The previous prime is 122222045371649. The next prime is 122222045371687. The reversal of 122222045371680 is 86173540222221.

122222045371680 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 2 + 20 + 4 + 537 + 16 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 120820634520336 + 1401410851344 = 10991844^2 + 1183812^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (122222045371687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175745119 + ... + 176439198.

Almost surely, 2^{122222045371680} is an apocalyptic number.

122222045371680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222045371680 is an abundant number, since it is smaller than the sum of its proper divisors (296591319382104).

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

122222045371680 is a wasteful number, since it uses less digits than its factorization.

122222045371680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352184579 (or 352184568 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 122222045371680 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, forty-five million, three hundred seventy-one thousand, six hundred eighty".