12213142142 has 16 divisors (see below), whose sum is σ = 19405755792. Its totient is φ = 5744868480.

The previous prime is 12213142103. The next prime is 12213142211. The reversal of 12213142142 is 24124131221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873 + ... + 156315.

It is an arithmetic number, because the mean of its divisors is an integer number (1212859737).

Almost surely, 2^12213142142 is an apocalyptic number.

12213142142 is a deficient number, since it is larger than the sum of its proper divisors (7192613650).

12213142142 is a wasteful number, since it uses less digits than its factorization.

12213142142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155803.

The product of its digits is 768, while the sum is 23.

Adding to 12213142142 its reverse (24124131221), we get a palindrome (36337273363).

The spelling of 12213142142 in words is "twelve billion, two hundred thirteen million, one hundred forty-two thousand, one hundred forty-two".