12442013243 has 8 divisors (see below), whose sum is σ = 13588522416. Its totient is φ = 11298073600.

The previous prime is 12442013131. The next prime is 12442013267. The reversal of 12442013243 is 34231024421.

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

It is not a de Polignac number, because 12442013243 - 2¹⁴ = 12441996859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12442013543) 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, 632246 + ... + 651627.

It is an arithmetic number, because the mean of its divisors is an integer number (1698565302).

Almost surely, 2^12442013243 is an apocalyptic number.

12442013243 is a deficient number, since it is larger than the sum of its proper divisors (1146509173).

12442013243 is a wasteful number, since it uses less digits than its factorization.

12442013243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284765.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12442013243 its reverse (34231024421), we get a palindrome (46673037664).

The spelling of 12442013243 in words is "twelve billion, four hundred forty-two million, thirteen thousand, two hundred forty-three".