12112123221010 has 32 divisors (see below), whose sum is σ = 23122820131200. Its totient is φ = 4552245664512.

The previous prime is 12112123220971. The next prime is 12112123221109. The reversal of 12112123221010 is 1012232121121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59370444 + ... + 59574103.

It is an arithmetic number, because the mean of its divisors is an integer number (722588129100).

Almost surely, 2^{12112123221010} is an apocalyptic number.

12112123221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112123221010 is a deficient number, since it is larger than the sum of its proper divisors (11010696910190).

12112123221010 is a wasteful number, since it uses less digits than its factorization.

12112123221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118945170.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12112123221010 its reverse (1012232121121), we get a palindrome (13124355342131).

The spelling of 12112123221010 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-three million, two hundred twenty-one thousand, ten".