12112220100212 has 12 divisors (see below), whose sum is σ = 21200400439680. Its totient is φ = 6054962831736.

The previous prime is 12112220100181. The next prime is 12112220100247. The reversal of 12112220100212 is 21200102221121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286780838 + ... + 286823069.

It is an arithmetic number, because the mean of its divisors is an integer number (1766700036640).

Almost surely, 2^{12112220100212} is an apocalyptic number.

It is an amenable number.

12112220100212 is a deficient number, since it is larger than the sum of its proper divisors (9088180339468).

12112220100212 is a wasteful number, since it uses less digits than its factorization.

12112220100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573609190 (or 573609188 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12112220100212 its reverse (21200102221121), we get a palindrome (33312322321333).

The spelling of 12112220100212 in words is "twelve trillion, one hundred twelve billion, two hundred twenty million, one hundred thousand, two hundred twelve".