12022316542 has 8 divisors (see below), whose sum is σ = 18287467632. Its totient is φ = 5926494000.

The previous prime is 12022316539. The next prime is 12022316561. The reversal of 12022316542 is 24561322021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12022316542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42331959 + ... + 42332242.

It is an arithmetic number, because the mean of its divisors is an integer number (2285933454).

Almost surely, 2^12022316542 is an apocalyptic number.

12022316542 is a deficient number, since it is larger than the sum of its proper divisors (6265151090).

12022316542 is an equidigital number, since it uses as much as digits as its factorization.

12022316542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84664274.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12022316542 its reverse (24561322021), we get a palindrome (36583638563).

The spelling of 12022316542 in words is "twelve billion, twenty-two million, three hundred sixteen thousand, five hundred forty-two".