12442402031 has 8 divisors (see below), whose sum is σ = 12653862144. Its totient is φ = 12231699480.

The previous prime is 12442402003. The next prime is 12442402033. The reversal of 12442402031 is 13020424421.

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

It is a cyclic number.

It is not a de Polignac number, because 12442402031 - 2³⁰ = 11368660207 is a prime.

It is a super-2 number, since 2×12442402031² (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 = 12442401988 and 12442402006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442402033) 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, 156215 + ... + 222008.

It is an arithmetic number, because the mean of its divisors is an integer number (1581732768).

Almost surely, 2^12442402031 is an apocalyptic number.

12442402031 is a deficient number, since it is larger than the sum of its proper divisors (211460113).

12442402031 is an equidigital number, since it uses as much as digits as its factorization.

12442402031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378781.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12442402031 its reverse (13020424421), we get a palindrome (25462826452).

The spelling of 12442402031 in words is "twelve billion, four hundred forty-two million, four hundred two thousand, thirty-one".