12004112034 has 56 divisors (see below), whose sum is σ = 27454673520. Its totient is φ = 3933522648.

The previous prime is 12004112027. The next prime is 12004112039. The reversal of 12004112034 is 43021140021.

12004112034 is a `hidden beast` number, since 1 + 200 + 411 + 20 + 34 = 666.

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 = 12004111998 and 12004112016.

It is not an unprimeable number, because it can be changed into a prime (12004112039) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 16249 + ... + 155795.

Almost surely, 2^12004112034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12004112034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13727336760).

12004112034 is an abundant number, since it is smaller than the sum of its proper divisors (15450561486).

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

12004112034 is an equidigital number, since it uses as much as digits as its factorization.

12004112034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139626 (or 139611 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12004112034 its reverse (43021140021), we get a palindrome (55025252055).

The spelling of 12004112034 in words is "twelve billion, four million, one hundred twelve thousand, thirty-four".