122102122212 has 36 divisors (see below), whose sum is σ = 352739464896. Its totient is φ = 34886320560.

The previous prime is 122102122211. The next prime is 122102122249. The reversal of 122102122212 is 212221201221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (122102122211) 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, 242265864 + ... + 242266367.

Almost surely, 2^122102122212 is an apocalyptic number.

122102122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122102122212 is an abundant number, since it is smaller than the sum of its proper divisors (230637342684).

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

122102122212 is a wasteful number, since it uses less digits than its factorization.

122102122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484532248 (or 484532243 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122102122212 its reverse (212221201221), we get a palindrome (334323323433).

The spelling of 122102122212 in words is "one hundred twenty-two billion, one hundred two million, one hundred twenty-two thousand, two hundred twelve".