12002323442 has 8 divisors (see below), whose sum is σ = 19062513756. Its totient is φ = 5648152192.

The previous prime is 12002323441. The next prime is 12002323447. The reversal of 12002323442 is 24432320021.

It can be written as a sum of positive squares in 2 ways, for example, as 11653418401 + 348905041 = 107951^2 + 18679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12002323441) 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, 176504723 + ... + 176504790.

Almost surely, 2^12002323442 is an apocalyptic number.

12002323442 is a deficient number, since it is larger than the sum of its proper divisors (7060190314).

12002323442 is a wasteful number, since it uses less digits than its factorization.

12002323442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353009532.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12002323442 its reverse (24432320021), we get a palindrome (36434643463).

The spelling of 12002323442 in words is "twelve billion, two million, three hundred twenty-three thousand, four hundred forty-two".