12212101122 has 64 divisors (see below), whose sum is σ = 26761405440. Its totient is φ = 3692361024.

The previous prime is 12212101087. The next prime is 12212101127. The reversal of 12212101122 is 22110121221.

It is a super-3 number, since 3×12212101122³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212101127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2291553 + ... + 2296875.

It is an arithmetic number, because the mean of its divisors is an integer number (418146960).

Almost surely, 2^12212101122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212101122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13380702720).

12212101122 is an abundant number, since it is smaller than the sum of its proper divisors (14549304318).

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

12212101122 is a wasteful number, since it uses less digits than its factorization.

12212101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847.

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

Adding to 12212101122 its reverse (22110121221), we get a palindrome (34322222343).

The spelling of 12212101122 in words is "twelve billion, two hundred twelve million, one hundred one thousand, one hundred twenty-two".