122112212212 has 24 divisors (see below), whose sum is σ = 217748375712. Its totient is φ = 59898602400.

The previous prime is 122112212207. The next prime is 122112212213. The reversal of 122112212212 is 212212211221.

It is a super-2 number, since 2×122112212212² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

122112212212 is a modest number, since divided by 212212 gives 122112 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 122112212212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112212213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3231387 + ... + 3268957.

It is an arithmetic number, because the mean of its divisors is an integer number (9072848988).

Almost surely, 2^122112212212 is an apocalyptic number.

It is an amenable number.

122112212212 is a deficient number, since it is larger than the sum of its proper divisors (95636163500).

122112212212 is a wasteful number, since it uses less digits than its factorization.

122112212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52959 (or 52957 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

Adding to 122112212212 its reverse (212212211221), we get a palindrome (334324423433).

Subtracting 122112212212 from its reverse (212212211221), we obtain a palindrome (90099999009).

The spelling of 122112212212 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred twelve thousand, two hundred twelve".