122212220212212 has 48 divisors (see below), whose sum is σ = 307886827422720. Its totient is φ = 37507092283008.

The previous prime is 122212220212207. The next prime is 122212220212223. The reversal of 122212220212212 is 212212022212221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006895188 + ... + 1007016555.

It is an arithmetic number, because the mean of its divisors is an integer number (6414308904640).

Almost surely, 2^{122212220212212} is an apocalyptic number.

122212220212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122212220212212 is an abundant number, since it is smaller than the sum of its proper divisors (185674607210508).

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

122212220212212 is a wasteful number, since it uses less digits than its factorization.

122212220212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013912152 (or 2013912150 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 122212220212212 its reverse (212212022212221), we get a palindrome (334424242424433).

The spelling of 122212220212212 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred twenty million, two hundred twelve thousand, two hundred twelve".