12122230042 has 16 divisors (see below), whose sum is σ = 19586200032. Its totient is φ = 5593693680.

The previous prime is 12122230037. The next prime is 12122230121. The reversal of 12122230042 is 24003222121.

It is a super-2 number, since 2×12122230042² (a number of 21 digits) contains 22 as substring.

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, 82917 + ... + 176407.

It is an arithmetic number, because the mean of its divisors is an integer number (1224137502).

Almost surely, 2^12122230042 is an apocalyptic number.

12122230042 is a deficient number, since it is larger than the sum of its proper divisors (7463969990).

12122230042 is a wasteful number, since it uses less digits than its factorization.

12122230042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98493.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12122230042 its reverse (24003222121), we get a palindrome (36125452163).

The spelling of 12122230042 in words is "twelve billion, one hundred twenty-two million, two hundred thirty thousand, forty-two".