12142222042 has 16 divisors (see below), whose sum is σ = 19790380800. Its totient is φ = 5566043520.

The previous prime is 12142221989. The next prime is 12142222049. The reversal of 12142222042 is 24022224121.

It is a super-2 number, since 2×12142222042² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12142222049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5152567 + ... + 5154922.

It is an arithmetic number, because the mean of its divisors is an integer number (1236898800).

Almost surely, 2^12142222042 is an apocalyptic number.

12142222042 is a deficient number, since it is larger than the sum of its proper divisors (7648158758).

12142222042 is a wasteful number, since it uses less digits than its factorization.

12142222042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307541.

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

Adding to 12142222042 its reverse (24022224121), we get a palindrome (36164446163).

The spelling of 12142222042 in words is "twelve billion, one hundred forty-two million, two hundred twenty-two thousand, forty-two".