12213123312302 has 32 divisors (see below), whose sum is σ = 20607023251584. Its totient is φ = 5379861780000.

The previous prime is 12213123312253. The next prime is 12213123312427. The reversal of 12213123312302 is 20321332131221.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29683808 + ... + 30092435.

It is an arithmetic number, because the mean of its divisors is an integer number (643969476612).

Almost surely, 2^{12213123312302} is an apocalyptic number.

12213123312302 is a deficient number, since it is larger than the sum of its proper divisors (8393899939282).

12213123312302 is a wasteful number, since it uses less digits than its factorization.

12213123312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59776544.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12213123312302 its reverse (20321332131221), we get a palindrome (32534455443523).

The spelling of 12213123312302 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-three million, three hundred twelve thousand, three hundred two".