12112233042 has 96 divisors (see below), whose sum is σ = 30617229312. Its totient is φ = 3126382272.

The previous prime is 12112233037. The next prime is 12112233043. The reversal of 12112233042 is 24033221121.

It is a super-3 number, since 3×12112233042³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12112233043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315453 + ... + 351759.

It is an arithmetic number, because the mean of its divisors is an integer number (318929472).

Almost surely, 2^12112233042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112233042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15308614656).

12112233042 is an abundant number, since it is smaller than the sum of its proper divisors (18504996270).

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

12112233042 is a wasteful number, since it uses less digits than its factorization.

12112233042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36392 (or 36379 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12112233042 its reverse (24033221121), we get a palindrome (36145454163).

The spelling of 12112233042 in words is "twelve billion, one hundred twelve million, two hundred thirty-three thousand, forty-two".