12120211122 has 8 divisors (see below), whose sum is σ = 24240422256. Its totient is φ = 4040070372.

The previous prime is 12120211121. The next prime is 12120211133. The reversal of 12120211122 is 22111202121.

It is a sphenic number, since it is the product of 3 distinct primes.

12120211122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12120211121) 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, 1010017588 + ... + 1010017599.

It is an arithmetic number, because the mean of its divisors is an integer number (3030052782).

Almost surely, 2^12120211122 is an apocalyptic number.

12120211122 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.

12120211122 is a wasteful number, since it uses less digits than its factorization.

12120211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020035192.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12120211122 its reverse (22111202121), we get a palindrome (34231413243).

Subtracting 12120211122 from its reverse (22111202121), we obtain a palindrome (9990990999).

The spelling of 12120211122 in words is "twelve billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-two".