12213313012331 has 4 divisors (see below), whose sum is σ = 12302461282632. Its totient is φ = 12124164742032.

The previous prime is 12213313012289. The next prime is 12213313012337. The reversal of 12213313012331 is 13321031331221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213313012331 is a prime.

It is a super-2 number, since 2×12213313012331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12213313012331.

It is not an unprimeable number, because it can be changed into a prime (12213313012337) 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, 44574134945 + ... + 44574135218.

It is an arithmetic number, because the mean of its divisors is an integer number (3075615320658).

Almost surely, 2^{12213313012331} is an apocalyptic number.

12213313012331 is a deficient number, since it is larger than the sum of its proper divisors (89148270301).

12213313012331 is an equidigital number, since it uses as much as digits as its factorization.

12213313012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89148270300.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12213313012331 its reverse (13321031331221), we get a palindrome (25534344343552).

The spelling of 12213313012331 in words is "twelve trillion, two hundred thirteen billion, three hundred thirteen million, twelve thousand, three hundred thirty-one".