12007047031 has 4 divisors (see below), whose sum is σ = 13722339472. Its totient is φ = 10291754592.

The previous prime is 12007046999. The next prime is 12007047037. The reversal of 12007047031 is 13074070021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13074070021 = 23 ⋅568437827.

It is not a de Polignac number, because 12007047031 - 2⁵ = 12007046999 is a prime.

It is a super-2 number, since 2×12007047031² (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 = 12007046987 and 12007047005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12007047037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857646210 + ... + 857646223.

It is an arithmetic number, because the mean of its divisors is an integer number (3430584868).

Almost surely, 2^12007047031 is an apocalyptic number.

12007047031 is a deficient number, since it is larger than the sum of its proper divisors (1715292441).

12007047031 is an equidigital number, since it uses as much as digits as its factorization.

12007047031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715292440.

The product of its (nonzero) digits is 1176, while the sum is 25.

The spelling of 12007047031 in words is "twelve billion, seven million, forty-seven thousand, thirty-one".