12012223013242 has 8 divisors (see below), whose sum is σ = 18020604713076. Its totient is φ = 6005354775552.

The previous prime is 12012223013191. The next prime is 12012223013309. The reversal of 12012223013242 is 24231032221021.

It can be written as a sum of positive squares in 2 ways, for example, as 11126367455641 + 885855557601 = 3335621^2 + 941199^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378345693 + ... + 378377440.

Almost surely, 2^{12012223013242} is an apocalyptic number.

12012223013242 is a deficient number, since it is larger than the sum of its proper divisors (6008381699834).

12012223013242 is an equidigital number, since it uses as much as digits as its factorization.

12012223013242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756731072.

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

Adding to 12012223013242 its reverse (24231032221021), we get a palindrome (36243255234263).

The spelling of 12012223013242 in words is "twelve trillion, twelve billion, two hundred twenty-three million, thirteen thousand, two hundred forty-two".