12213123321301 has 32 divisors (see below), whose sum is σ = 14735359781120. Its totient is φ = 9915955277760.

The previous prime is 12213123321281. The next prime is 12213123321349. The reversal of 12213123321301 is 10312332131221.

It is not a de Polignac number, because 12213123321301 - 2⁷ = 12213123321173 is a prime.

It is a super-2 number, since 2×12213123321301² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213123381301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423508255 + ... + 423537091.

It is an arithmetic number, because the mean of its divisors is an integer number (460479993160).

Almost surely, 2^{12213123321301} is an apocalyptic number.

It is an amenable number.

12213123321301 is a deficient number, since it is larger than the sum of its proper divisors (2522236459819).

12213123321301 is an frugal number, since it uses more digits than its factorization.

12213123321301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37722 (or 37684 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12213123321301 its reverse (10312332131221), we get a palindrome (22525455452522).

The spelling of 12213123321301 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-three million, three hundred twenty-one thousand, three hundred one".