12122230112 has 12 divisors (see below), whose sum is σ = 23865640596. Its totient is φ = 6061115040.

The previous prime is 12122230037. The next prime is 12122230121. The reversal of 12122230112 is 21103222121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189409814 + ... + 189409877.

It is an arithmetic number, because the mean of its divisors is an integer number (1988803383).

Almost surely, 2^12122230112 is an apocalyptic number.

It is an amenable number.

12122230112 is a deficient number, since it is larger than the sum of its proper divisors (11743410484).

12122230112 is an equidigital number, since it uses as much as digits as its factorization.

12122230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378819701 (or 378819693 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12122230112 its reverse (21103222121), we get a palindrome (33225452233).

The spelling of 12122230112 in words is "twelve billion, one hundred twenty-two million, two hundred thirty thousand, one hundred twelve".