12042116503 has 16 divisors (see below), whose sum is σ = 12550640256. Its totient is φ = 11545803360.

The previous prime is 12042116483. The next prime is 12042116521. The reversal of 12042116503 is 30561124021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042116503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042116543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549588 + ... + 571078.

It is an arithmetic number, because the mean of its divisors is an integer number (784415016).

Almost surely, 2^12042116503 is an apocalyptic number.

12042116503 is a deficient number, since it is larger than the sum of its proper divisors (508523753).

12042116503 is a wasteful number, since it uses less digits than its factorization.

12042116503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21774.

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 12042116503 in words is "twelve billion, forty-two million, one hundred sixteen thousand, five hundred three".