12404142331 has 4 divisors (see below), whose sum is σ = 14176162672. Its totient is φ = 10632121992.

The previous prime is 12404142301. The next prime is 12404142347. The reversal of 12404142331 is 13324140421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12404142331 - 2¹¹ = 12404140283 is a prime.

It is a super-2 number, since 2×12404142331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12404142296 and 12404142305.

It is not an unprimeable number, because it can be changed into a prime (12404142301) 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, 886010160 + ... + 886010173.

It is an arithmetic number, because the mean of its divisors is an integer number (3544040668).

Almost surely, 2^12404142331 is an apocalyptic number.

12404142331 is a deficient number, since it is larger than the sum of its proper divisors (1772020341).

12404142331 is an equidigital number, since it uses as much as digits as its factorization.

12404142331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772020340.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12404142331 its reverse (13324140421), we get a palindrome (25728282752).

The spelling of 12404142331 in words is "twelve billion, four hundred four million, one hundred forty-two thousand, three hundred thirty-one".