12042140031 has 12 divisors (see below), whose sum is σ = 17395156480. Its totient is φ = 8027652960.

The previous prime is 12042140027. The next prime is 12042140059. The reversal of 12042140031 is 13004124021.

It is not a de Polignac number, because 12042140031 - 2² = 12042140027 is a prime.

It is a super-2 number, since 2×12042140031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12042139986 and 12042140013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042140021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283650 + ... + 323328.

Almost surely, 2^12042140031 is an apocalyptic number.

12042140031 is a deficient number, since it is larger than the sum of its proper divisors (5353016449).

12042140031 is a wasteful number, since it uses less digits than its factorization.

12042140031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73406 (or 73403 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12042140031 its reverse (13004124021), we get a palindrome (25046264052).

The spelling of 12042140031 in words is "twelve billion, forty-two million, one hundred forty thousand, thirty-one".