12042031434 has 32 divisors (see below), whose sum is σ = 24333462720. Its totient is φ = 3972480000.

The previous prime is 12042031423. The next prime is 12042031453. The reversal of 12042031434 is 43413024021.

It is a Curzon number.

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, 2505834 + ... + 2510634.

It is an arithmetic number, because the mean of its divisors is an integer number (760420710).

Almost surely, 2^12042031434 is an apocalyptic number.

12042031434 is an abundant number, since it is smaller than the sum of its proper divisors (12291431286).

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

12042031434 is a wasteful number, since it uses less digits than its factorization.

12042031434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12042031434 its reverse (43413024021), we get a palindrome (55455055455).

The spelling of 12042031434 in words is "twelve billion, forty-two million, thirty-one thousand, four hundred thirty-four".