12112212102 has 32 divisors (see below), whose sum is σ = 24494424192. Its totient is φ = 3992473344.

The previous prime is 12112212097. The next prime is 12112212103. The reversal of 12112212102 is 20121221121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112212103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752713 + ... + 768635.

It is an arithmetic number, because the mean of its divisors is an integer number (765450756).

Almost surely, 2^12112212102 is an apocalyptic number.

12112212102 is an abundant number, since it is smaller than the sum of its proper divisors (12382212090).

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

12112212102 is a wasteful number, since it uses less digits than its factorization.

12112212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17332.

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

Adding to 12112212102 its reverse (20121221121), we get a palindrome (32233433223).

The spelling of 12112212102 in words is "twelve billion, one hundred twelve million, two hundred twelve thousand, one hundred two".