12222142042 has 8 divisors (see below), whose sum is σ = 19999868832. Its totient is φ = 5555519100.

The previous prime is 12222142021. The next prime is 12222142069. The reversal of 12222142042 is 24024122221.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 555551911 = 12222142042 / (1 + 2 + 2 + 2 + 2 + 1 + 4 + 2 + 0 + 4 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277775934 + ... + 277775977.

It is an arithmetic number, because the mean of its divisors is an integer number (2499983604).

Almost surely, 2^12222142042 is an apocalyptic number.

12222142042 is a deficient number, since it is larger than the sum of its proper divisors (7777726790).

12222142042 is a wasteful number, since it uses less digits than its factorization.

12222142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555551924.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12222142042 its reverse (24024122221), we get a palindrome (36246264263).

The spelling of 12222142042 in words is "twelve billion, two hundred twenty-two million, one hundred forty-two thousand, forty-two".