12112121130032 has 160 divisors (see below), whose sum is σ = 30174357288960. Its totient is φ = 4572252195840.

The previous prime is 12112121130029. The next prime is 12112121130079. The reversal of 12112121130032 is 23003112121121.

It is a junction number, because it is equal to n+sod(n) for n = 12112121129986 and 12112121130013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10338698 + ... + 11450454.

It is an arithmetic number, because the mean of its divisors is an integer number (188589733056).

Almost surely, 2^{12112121130032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112121130032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15087178644480).

12112121130032 is an abundant number, since it is smaller than the sum of its proper divisors (18062236158928).

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

12112121130032 is a wasteful number, since it uses less digits than its factorization.

12112121130032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112059 (or 1112053 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12112121130032 its reverse (23003112121121), we get a palindrome (35115233251153).

The spelling of 12112121130032 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-one million, one hundred thirty thousand, thirty-two".