122002212222 has 24 divisors (see below), whose sum is σ = 288368865720. Its totient is φ = 36970367280.

The previous prime is 122002212221. The next prime is 122002212229. The reversal of 122002212222 is 222212200221.

122002212222 is a `hidden beast` number, since 1 + 220 + 0 + 221 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122002212195 and 122002212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002212221) 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, 308086197 + ... + 308086592.

It is an arithmetic number, because the mean of its divisors is an integer number (12015369405).

Almost surely, 2^122002212222 is an apocalyptic number.

122002212222 is an abundant number, since it is smaller than the sum of its proper divisors (166366653498).

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

122002212222 is a wasteful number, since it uses less digits than its factorization.

122002212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616172808 (or 616172805 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 122002212222 its reverse (222212200221), we get a palindrome (344214412443).

The spelling of 122002212222 in words is "one hundred twenty-two billion, two million, two hundred twelve thousand, two hundred twenty-two".