12010231731 has 8 divisors (see below), whose sum is σ = 16025094400. Its totient is φ = 8001095112.

The previous prime is 12010231711. The next prime is 12010231769. The reversal of 12010231731 is 13713201021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12010231731 - 2⁷ = 12010231603 is a prime.

It is a super-2 number, since 2×12010231731² (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 = 12010231698 and 12010231707.

It is not an unprimeable number, because it can be changed into a prime (12010231711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426615 + ... + 1435008.

It is an arithmetic number, because the mean of its divisors is an integer number (2003136800).

Almost surely, 2^12010231731 is an apocalyptic number.

12010231731 is a deficient number, since it is larger than the sum of its proper divisors (4014862669).

12010231731 is a wasteful number, since it uses less digits than its factorization.

12010231731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863025.

The product of its (nonzero) digits is 252, while the sum is 21.

Adding to 12010231731 its reverse (13713201021), we get a palindrome (25723432752).

The spelling of 12010231731 in words is "twelve billion, ten million, two hundred thirty-one thousand, seven hundred thirty-one".