12022212121213 has 16 divisors (see below), whose sum is σ = 13845020313600. Its totient is φ = 10225947294576.

The previous prime is 12022212121211. The next prime is 12022212121229. The reversal of 12022212121213 is 31212121222021.

It is a cyclic number.

It is not a de Polignac number, because 12022212121213 - 2¹ = 12022212121211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022212121211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7884231 + ... + 9284692.

It is an arithmetic number, because the mean of its divisors is an integer number (865313769600).

Almost surely, 2^{12022212121213} is an apocalyptic number.

It is an amenable number.

12022212121213 is a deficient number, since it is larger than the sum of its proper divisors (1822808192387).

12022212121213 is a wasteful number, since it uses less digits than its factorization.

12022212121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17169696.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12022212121213 its reverse (31212121222021), we get a palindrome (43234333343234).

The spelling of 12022212121213 in words is "twelve trillion, twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, two hundred thirteen".