122110012212 has 96 divisors (see below), whose sum is σ = 309844254720. Its totient is φ = 37287008640.

The previous prime is 122110012187. The next prime is 122110012223. The reversal of 122110012212 is 212210011221.

It is a junction number, because it is equal to n+sod(n) for n = 122110012191 and 122110012200.

It is a congruent number.

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, 9698073 + ... + 9710655.

It is an arithmetic number, because the mean of its divisors is an integer number (3227544320).

Almost surely, 2^122110012212 is an apocalyptic number.

122110012212 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 122110012212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154922127360).

122110012212 is an abundant number, since it is smaller than the sum of its proper divisors (187734242508).

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

122110012212 is a wasteful number, since it uses less digits than its factorization.

122110012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14013 (or 14011 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122110012212 its reverse (212210011221), we get a palindrome (334320023433).

Subtracting 122110012212 from its reverse (212210011221), we obtain a palindrome (90099999009).

The spelling of 122110012212 in words is "one hundred twenty-two billion, one hundred ten million, twelve thousand, two hundred twelve".