12213312303233 has 4 divisors (see below), whose sum is σ = 12543401824980. Its totient is φ = 11883222781488.

The previous prime is 12213312303221. The next prime is 12213312303251. The reversal of 12213312303233 is 33230321331221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11135916050704 + 1077396252529 = 3337052^2 + 1037977^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213312303233 - 2⁴ = 12213312303217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213312303196 and 12213312303205.

It is not an unprimeable number, because it can be changed into a prime (12213312303133) 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, 165044760818 + ... + 165044760891.

It is an arithmetic number, because the mean of its divisors is an integer number (3135850456245).

Almost surely, 2^{12213312303233} is an apocalyptic number.

It is an amenable number.

12213312303233 is a deficient number, since it is larger than the sum of its proper divisors (330089521747).

12213312303233 is an equidigital number, since it uses as much as digits as its factorization.

12213312303233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330089521746.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 12213312303233 its reverse (33230321331221), we get a palindrome (45443633634454).

The spelling of 12213312303233 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, three hundred three thousand, two hundred thirty-three".