12003136242 has 8 divisors (see below), whose sum is σ = 24006272496. Its totient is φ = 4001045412.

The previous prime is 12003136241. The next prime is 12003136259. The reversal of 12003136242 is 24263130021.

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

12003136242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12003136241) 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, 1000261348 + ... + 1000261359.

It is an arithmetic number, because the mean of its divisors is an integer number (3000784062).

Almost surely, 2^12003136242 is an apocalyptic number.

12003136242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12003136242 is a wasteful number, since it uses less digits than its factorization.

12003136242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000522712.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12003136242 its reverse (24263130021), we get a palindrome (36266266263).

The spelling of 12003136242 in words is "twelve billion, three million, one hundred thirty-six thousand, two hundred forty-two".