122200222212 has 96 divisors (see below), whose sum is σ = 327154652160. Its totient is φ = 39405035520.

The previous prime is 122200222201. The next prime is 122200222223. The reversal of 122200222212 is 212222002221.

122200222212 is a `hidden beast` number, since 12 + 220 + 0 + 222 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (122200222201) and next prime (122200222223).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12895108 + ... + 12904580.

It is an arithmetic number, because the mean of its divisors is an integer number (3407860960).

Almost surely, 2^122200222212 is an apocalyptic number.

122200222212 is a gapful number since it is divisible by the number (12) 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 122200222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163577326080).

122200222212 is an abundant number, since it is smaller than the sum of its proper divisors (204954429948).

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

122200222212 is a wasteful number, since it uses less digits than its factorization.

122200222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13370 (or 13362 counting only the distinct ones).

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

Adding to 122200222212 its reverse (212222002221), we get a palindrome (334422224433).

The spelling of 122200222212 in words is "one hundred twenty-two billion, two hundred million, two hundred twenty-two thousand, two hundred twelve".