12344121242 has 4 divisors (see below), whose sum is σ = 18516181866. Its totient is φ = 6172060620.

The previous prime is 12344121239. The next prime is 12344121253. The reversal of 12344121242 is 24212144321.

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

It can be written as a sum of positive squares in only one way, i.e., 11940151441 + 403969801 = 109271^2 + 20099^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3086030309 + ... + 3086030312.

Almost surely, 2^12344121242 is an apocalyptic number.

12344121242 is a deficient number, since it is larger than the sum of its proper divisors (6172060624).

12344121242 is an equidigital number, since it uses as much as digits as its factorization.

12344121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172060623.

The product of its digits is 3072, while the sum is 26.

Adding to 12344121242 its reverse (24212144321), we get a palindrome (36556265563).

The spelling of 12344121242 in words is "twelve billion, three hundred forty-four million, one hundred twenty-one thousand, two hundred forty-two".