12222123001212 has 48 divisors (see below), whose sum is σ = 30199908201120. Its totient is φ = 3833874081792.

The previous prime is 12222123001117. The next prime is 12222123001241. The reversal of 12222123001212 is 21210032122221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2525787 + ... + 5551922.

It is an arithmetic number, because the mean of its divisors is an integer number (629164754190).

Almost surely, 2^{12222123001212} is an apocalyptic number.

12222123001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12222123001212 is an abundant number, since it is smaller than the sum of its proper divisors (17977785199908).

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

12222123001212 is a wasteful number, since it uses less digits than its factorization.

12222123001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085150 (or 8085148 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12222123001212 its reverse (21210032122221), we get a palindrome (33432155123433).

The spelling of 12222123001212 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-three million, one thousand, two hundred twelve".