12240111503 has 36 divisors (see below), whose sum is σ = 13827746640. Its totient is φ = 10832464192.

The previous prime is 12240111497. The next prime is 12240111511. The reversal of 12240111503 is 30511104221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 12240111503 - 2⁴ = 12240111487 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 (12240110503) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 207459488 + ... + 207459546.

Almost surely, 2^12240111503 is an apocalyptic number.

12240111503 is a deficient number, since it is larger than the sum of its proper divisors (1587635137).

12240111503 is an frugal number, since it uses more digits than its factorization.

12240111503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12240111503 its reverse (30511104221), we get a palindrome (42751215724).

The spelling of 12240111503 in words is "twelve billion, two hundred forty million, one hundred eleven thousand, five hundred three".