12027734242 has 8 divisors (see below), whose sum is σ = 18091857600. Its totient is φ = 5997115044.

The previous prime is 12027734239. The next prime is 12027734249. The reversal of 12027734242 is 24243772021.

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

It is a junction number, because it is equal to n+sod(n) for n = 12027734198 and 12027734207.

It is not an unprimeable number, because it can be changed into a prime (12027734249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8375142 + ... + 8376577.

It is an arithmetic number, because the mean of its divisors is an integer number (2261482200).

Almost surely, 2^12027734242 is an apocalyptic number.

12027734242 is a deficient number, since it is larger than the sum of its proper divisors (6064123358).

12027734242 is a wasteful number, since it uses less digits than its factorization.

12027734242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16752080.

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 12027734242 in words is "twelve billion, twenty-seven million, seven hundred thirty-four thousand, two hundred forty-two".