12213132013331 has 4 divisors (see below), whose sum is σ = 12213162178464. Its totient is φ = 12213101848200.

The previous prime is 12213132013283. The next prime is 12213132013343. The reversal of 12213132013331 is 13331023131221.

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-12213132013331 is a prime.

It is a super-2 number, since 2×12213132013331² (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 12213132013331.

It is not an unprimeable number, because it can be changed into a prime (12213132013391) 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, 14466875 + ... + 15287796.

It is an arithmetic number, because the mean of its divisors is an integer number (3053290544616).

Almost surely, 2^{12213132013331} is an apocalyptic number.

12213132013331 is a deficient number, since it is larger than the sum of its proper divisors (30165133).

12213132013331 is an equidigital number, since it uses as much as digits as its factorization.

12213132013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30165132.

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

Adding to 12213132013331 its reverse (13331023131221), we get a palindrome (25544155144552).

The spelling of 12213132013331 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty-two million, thirteen thousand, three hundred thirty-one".