12042441231 has 8 divisors (see below), whose sum is σ = 16093165440. Its totient is φ = 8010005592.

The previous prime is 12042441227. The next prime is 12042441241. The reversal of 12042441231 is 13214424021.

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

It is not a de Polignac number, because 12042441231 - 2² = 12042441227 is a prime.

It is a super-2 number, since 2×12042441231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042441211) 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, 4570605 + ... + 4573238.

It is an arithmetic number, because the mean of its divisors is an integer number (2011645680).

Almost surely, 2^12042441231 is an apocalyptic number.

12042441231 is a deficient number, since it is larger than the sum of its proper divisors (4050724209).

12042441231 is an equidigital number, since it uses as much as digits as its factorization.

12042441231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144285.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12042441231 its reverse (13214424021), we get a palindrome (25256865252).

The spelling of 12042441231 in words is "twelve billion, forty-two million, four hundred forty-one thousand, two hundred thirty-one".