12112111001034 has 128 divisors (see below), whose sum is σ = 29927943279360. Its totient is φ = 3600350208000.

The previous prime is 12112111001021. The next prime is 12112111001057. The reversal of 12112111001034 is 43010011121121.

It is a super-3 number, since 3×12112111001034³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12112111000998 and 12112111001016.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5580684 + ... + 7440984.

It is an arithmetic number, because the mean of its divisors is an integer number (233812056870).

Almost surely, 2^{12112111001034} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112111001034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14963971639680).

12112111001034 is an abundant number, since it is smaller than the sum of its proper divisors (17815832278326).

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

12112111001034 is a wasteful number, since it uses less digits than its factorization.

12112111001034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860533 (or 1860527 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12112111001034 its reverse (43010011121121), we get a palindrome (55122122122155).

The spelling of 12112111001034 in words is "twelve trillion, one hundred twelve billion, one hundred eleven million, one thousand, thirty-four".