12213201231231 has 192 divisors, whose sum is σ = 22892584167936. Its totient is φ = 5689102003200.

The previous prime is 12213201231227. The next prime is 12213201231239. The reversal of 12213201231231 is 13213210231221.

It is not a de Polignac number, because 12213201231231 - 2² = 12213201231227 is a prime.

It is a super-3 number, since 3×12213201231231³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213201231239) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 500098401 + ... + 500122821.

It is an arithmetic number, because the mean of its divisors is an integer number (119232209208).

Almost surely, 2^{12213201231231} is an apocalyptic number.

12213201231231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12213201231231 is a deficient number, since it is larger than the sum of its proper divisors (10679382936705).

12213201231231 is a wasteful number, since it uses less digits than its factorization.

12213201231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25142 (or 25135 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12213201231231 its reverse (13213210231221), we get a palindrome (25426411462452).

The spelling of 12213201231231 in words is "twelve trillion, two hundred thirteen billion, two hundred one million, two hundred thirty-one thousand, two hundred thirty-one".