122240262667660 has 144 divisors (see below), whose sum is σ = 274875651290016. Its totient is φ = 45651877945344.

The previous prime is 122240262667597. The next prime is 122240262667727. The reversal of 122240262667660 is 66766262042221.

It is a super-2 number, since 2×122240262667660² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122240262667598 and 122240262667607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148690294 + ... + 149510146.

It is an arithmetic number, because the mean of its divisors is an integer number (1908858689514).

Almost surely, 2^{122240262667660} is an apocalyptic number.

122240262667660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122240262667660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137437825645008).

122240262667660 is an abundant number, since it is smaller than the sum of its proper divisors (152635388622356).

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

122240262667660 is a wasteful number, since it uses less digits than its factorization.

122240262667660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820200 (or 820179 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 52.

The spelling of 122240262667660 in words is "one hundred twenty-two trillion, two hundred forty billion, two hundred sixty-two million, six hundred sixty-seven thousand, six hundred sixty".