12212220321313 has 16 divisors (see below), whose sum is σ = 12468633989760. Its totient is φ = 11957462511616.

The previous prime is 12212220321299. The next prime is 12212220321377. The reversal of 12212220321313 is 31312302221221.

It is a cyclic number.

It is not a de Polignac number, because 12212220321313 - 2⁵ = 12212220321281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212220301313) 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, 213572595 + ... + 213629767.

It is an arithmetic number, because the mean of its divisors is an integer number (779289624360).

Almost surely, 2^{12212220321313} is an apocalyptic number.

It is an amenable number.

12212220321313 is a deficient number, since it is larger than the sum of its proper divisors (256413668447).

12212220321313 is a wasteful number, since it uses less digits than its factorization.

12212220321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71576.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12212220321313 its reverse (31312302221221), we get a palindrome (43524522542534).

The spelling of 12212220321313 in words is "twelve trillion, two hundred twelve billion, two hundred twenty million, three hundred twenty-one thousand, three hundred thirteen".