12112222122110 has 64 divisors (see below), whose sum is σ = 24234097731264. Its totient is φ = 4321102156800.

The previous prime is 12112222122107. The next prime is 12112222122127. The reversal of 12112222122110 is 1122122221121.

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 31 ways as a sum of consecutive naturals, for example, 130528130 + ... + 130620890.

It is an arithmetic number, because the mean of its divisors is an integer number (378657777051).

Almost surely, 2^{12112222122110} is an apocalyptic number.

12112222122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112222122110 is an abundant number, since it is smaller than the sum of its proper divisors (12121875609154).

12112222122110 is a wasteful number, since it uses less digits than its factorization.

12112222122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115229.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12112222122110 its reverse (1122122221121), we get a palindrome (13234344343231).

The spelling of 12112222122110 in words is "twelve trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred ten".