12213434322331 has 4 divisors (see below), whose sum is σ = 13323746533464. Its totient is φ = 11103122111200.

The previous prime is 12213434322289. The next prime is 12213434322347. The reversal of 12213434322331 is 13322343431221.

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

It is a cyclic number.

It is not a de Polignac number, because 12213434322331 - 2⁹ = 12213434321819 is a prime.

It is a super-2 number, since 2×12213434322331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213434325331) 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 3 ways as a sum of consecutive naturals, for example, 555156105550 + ... + 555156105571.

It is an arithmetic number, because the mean of its divisors is an integer number (3330936633366).

Almost surely, 2^{12213434322331} is an apocalyptic number.

12213434322331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12213434322331 is a deficient number, since it is larger than the sum of its proper divisors (1110312211133).

12213434322331 is a wasteful number, since it uses less digits than its factorization.

12213434322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110312211132.

The product of its digits is 62208, while the sum is 34.

Adding to 12213434322331 its reverse (13322343431221), we get a palindrome (25535777753552).

The spelling of 12213434322331 in words is "twelve trillion, two hundred thirteen billion, four hundred thirty-four million, three hundred twenty-two thousand, three hundred thirty-one".