12001023242 has 32 divisors (see below), whose sum is σ = 20169375744. Its totient is φ = 5318006400.

The previous prime is 12001023241. The next prime is 12001023247. The reversal of 12001023242 is 24232010021.

It is a self number, because there is not a number n which added to its sum of digits gives 12001023242.

It is not an unprimeable number, because it can be changed into a prime (12001023241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43742 + ... + 160982.

It is an arithmetic number, because the mean of its divisors is an integer number (630292992).

Almost surely, 2^12001023242 is an apocalyptic number.

12001023242 is a deficient number, since it is larger than the sum of its proper divisors (8168352502).

12001023242 is a wasteful number, since it uses less digits than its factorization.

12001023242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117414.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12001023242 its reverse (24232010021), we get a palindrome (36233033263).

The spelling of 12001023242 in words is "twelve billion, one million, twenty-three thousand, two hundred forty-two".