13221202222212 has 12 divisors (see below), whose sum is σ = 30849471851856. Its totient is φ = 4407067407400.

The previous prime is 13221202222177. The next prime is 13221202222219. The reversal of 13221202222212 is 21222220212231.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13221202222219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550883425914 + ... + 550883425937.

It is an arithmetic number, because the mean of its divisors is an integer number (2570789320988).

Almost surely, 2^{13221202222212} is an apocalyptic number.

13221202222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13221202222212 is an abundant number, since it is smaller than the sum of its proper divisors (17628269629644).

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

13221202222212 is a wasteful number, since it uses less digits than its factorization.

13221202222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101766851858 (or 1101766851856 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 13221202222212 its reverse (21222220212231), we get a palindrome (34443422434443).

The spelling of 13221202222212 in words is "thirteen trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, two hundred twelve".