12042111303 has 24 divisors (see below), whose sum is σ = 17459442000. Its totient is φ = 7998004224.

The previous prime is 12042111259. The next prime is 12042111307. The reversal of 12042111303 is 30311124021.

It is not a de Polignac number, because 12042111303 - 2¹⁰ = 12042110279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042111307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3218808 + ... + 3222546.

It is an arithmetic number, because the mean of its divisors is an integer number (727476750).

Almost surely, 2^12042111303 is an apocalyptic number.

12042111303 is a deficient number, since it is larger than the sum of its proper divisors (5417330697).

12042111303 is a wasteful number, since it uses less digits than its factorization.

12042111303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991 (or 4988 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12042111303 its reverse (30311124021), we get a palindrome (42353235324).

The spelling of 12042111303 in words is "twelve billion, forty-two million, one hundred eleven thousand, three hundred three".