12022131223212 has 24 divisors (see below), whose sum is σ = 30601788568512. Its totient is φ = 3643070067600.

The previous prime is 12022131223171. The next prime is 12022131223231. The reversal of 12022131223212 is 21232213122021.

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, 45538375714 + ... + 45538375977.

It is an arithmetic number, because the mean of its divisors is an integer number (1275074523688).

Almost surely, 2^{12022131223212} is an apocalyptic number.

12022131223212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022131223212 is an abundant number, since it is smaller than the sum of its proper divisors (18579657345300).

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

12022131223212 is a wasteful number, since it uses less digits than its factorization.

12022131223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91076751709 (or 91076751707 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12022131223212 its reverse (21232213122021), we get a palindrome (33254344345233).

The spelling of 12022131223212 in words is "twelve trillion, twenty-two billion, one hundred thirty-one million, two hundred twenty-three thousand, two hundred twelve".