12112220220022 has 32 divisors (see below), whose sum is σ = 20596347122400. Its totient is φ = 5295859481088.

The previous prime is 12112220220019. The next prime is 12112220220049. The reversal of 12112220220022 is 22002202221121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15463854 + ... + 16228222.

It is an arithmetic number, because the mean of its divisors is an integer number (643635847575).

Almost surely, 2^{12112220220022} is an apocalyptic number.

12112220220022 is a deficient number, since it is larger than the sum of its proper divisors (8484126902378).

12112220220022 is a wasteful number, since it uses less digits than its factorization.

12112220220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796480.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12112220220022 its reverse (22002202221121), we get a palindrome (34114422441143).

The spelling of 12112220220022 in words is "twelve trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty thousand, twenty-two".