12122112044 has 12 divisors (see below), whose sum is σ = 24244224144. Its totient is φ = 5195190864.

The previous prime is 12122112031. The next prime is 12122112047. The reversal of 12122112044 is 44021122121.

12122112044 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12122112047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216466259 + ... + 216466314.

It is an arithmetic number, because the mean of its divisors is an integer number (2020352012).

Almost surely, 2^12122112044 is an apocalyptic number.

12122112044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12122112044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122112044 is a wasteful number, since it uses less digits than its factorization.

12122112044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432932584 (or 432932582 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12122112044 its reverse (44021122121), we get a palindrome (56143234165).

The spelling of 12122112044 in words is "twelve billion, one hundred twenty-two million, one hundred twelve thousand, forty-four".