12140240031 has 6 divisors (see below), whose sum is σ = 17535902280. Its totient is φ = 8093493348.

The previous prime is 12140240027. The next prime is 12140240033. The reversal of 12140240031 is 13004204121.

It is not a de Polignac number, because 12140240031 - 2² = 12140240027 is a prime.

It is a super-2 number, since 2×12140240031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12140239986 and 12140240013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140240033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674457771 + ... + 674457788.

It is an arithmetic number, because the mean of its divisors is an integer number (2922650380).

Almost surely, 2^12140240031 is an apocalyptic number.

12140240031 is a deficient number, since it is larger than the sum of its proper divisors (5395662249).

12140240031 is a wasteful number, since it uses less digits than its factorization.

12140240031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348915565 (or 1348915562 counting only the distinct ones).

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

Adding to 12140240031 its reverse (13004204121), we get a palindrome (25144444152).

The spelling of 12140240031 in words is "twelve billion, one hundred forty million, two hundred forty thousand, thirty-one".