12141243242 has 16 divisors (see below), whose sum is σ = 18684103680. Its totient is φ = 5913946752.

The previous prime is 12141243227. The next prime is 12141243293. The reversal of 12141243242 is 24234214121.

It is a super-2 number, since 2×12141243242² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151367 + ... + 217242.

It is an arithmetic number, because the mean of its divisors is an integer number (1167756480).

Almost surely, 2^12141243242 is an apocalyptic number.

12141243242 is a deficient number, since it is larger than the sum of its proper divisors (6542860438).

12141243242 is a wasteful number, since it uses less digits than its factorization.

12141243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369037.

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

Adding to 12141243242 its reverse (24234214121), we get a palindrome (36375457363).

The spelling of 12141243242 in words is "twelve billion, one hundred forty-one million, two hundred forty-three thousand, two hundred forty-two".