12210013120321 has 4 divisors (see below), whose sum is σ = 12227890153392. Its totient is φ = 12192136087252.

The previous prime is 12210013120271. The next prime is 12210013120381. The reversal of 12210013120321 is 12302131001221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12210013120321 - 2¹⁵ = 12210013087553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210013120381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8938515511 + ... + 8938516876.

It is an arithmetic number, because the mean of its divisors is an integer number (3056972538348).

Almost surely, 2^{12210013120321} is an apocalyptic number.

It is an amenable number.

12210013120321 is a deficient number, since it is larger than the sum of its proper divisors (17877033071).

12210013120321 is an equidigital number, since it uses as much as digits as its factorization.

12210013120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17877033070.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12210013120321 its reverse (12302131001221), we get a palindrome (24512144121542).

The spelling of 12210013120321 in words is "twelve trillion, two hundred ten billion, thirteen million, one hundred twenty thousand, three hundred twenty-one".