122200221222 has 12 divisors (see below), whose sum is σ = 264767146020. Its totient is φ = 40733407068.

The previous prime is 122200221173. The next prime is 122200221239. The reversal of 122200221222 is 222122002221.

122200221222 is a `hidden beast` number, since 1 + 2 + 220 + 0 + 221 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6788901179 = 122200221222 / (1 + 2 + 2 + 2 + 0 + 0 + 2 + 2 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 122200221195 and 122200221204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3394450572 + ... + 3394450607.

It is an arithmetic number, because the mean of its divisors is an integer number (22063928835).

Almost surely, 2^122200221222 is an apocalyptic number.

122200221222 is an abundant number, since it is smaller than the sum of its proper divisors (142566924798).

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

122200221222 is a wasteful number, since it uses less digits than its factorization.

122200221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6788901187 (or 6788901184 counting only the distinct ones).

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

Adding to 122200221222 its reverse (222122002221), we get a palindrome (344322223443).

The spelling of 122200221222 in words is "one hundred twenty-two billion, two hundred million, two hundred twenty-one thousand, two hundred twenty-two".