12042103534 has 16 divisors (see below), whose sum is σ = 18094293360. Its totient is φ = 6010683840.

The previous prime is 12042103531. The next prime is 12042103559. The reversal of 12042103534 is 43530124021.

It is a junction number, because it is equal to n+sod(n) for n = 12042103499 and 12042103508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042103531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4486957 + ... + 4489639.

It is an arithmetic number, because the mean of its divisors is an integer number (1130893335).

Almost surely, 2^12042103534 is an apocalyptic number.

12042103534 is a deficient number, since it is larger than the sum of its proper divisors (6052189826).

12042103534 is a wasteful number, since it uses less digits than its factorization.

12042103534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12042103534 its reverse (43530124021), we get a palindrome (55572227555).

The spelling of 12042103534 in words is "twelve billion, forty-two million, one hundred three thousand, five hundred thirty-four".