122240213220 has 24 divisors (see below), whose sum is σ = 342272597184. Its totient is φ = 32597390176.

The previous prime is 122240213219. The next prime is 122240213257. The reversal of 122240213220 is 22312042221.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1018668384 + ... + 1018668503.

It is an arithmetic number, because the mean of its divisors is an integer number (14261358216).

Almost surely, 2^122240213220 is an apocalyptic number.

122240213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122240213220 is an abundant number, since it is smaller than the sum of its proper divisors (220032383964).

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

122240213220 is a wasteful number, since it uses less digits than its factorization.

122240213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037336899 (or 2037336897 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 122240213220 its reverse (22312042221), we get a palindrome (144552255441).

The spelling of 122240213220 in words is "one hundred twenty-two billion, two hundred forty million, two hundred thirteen thousand, two hundred twenty".