12211323103231 has 8 divisors (see below), whose sum is σ = 13965496104960. Its totient is φ = 10459574669688.

The previous prime is 12211323103157. The next prime is 12211323103277. The reversal of 12211323103231 is 13230132311221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12211323103231 - 2¹³ = 12211323095039 is a prime.

It is a super-2 number, since 2×12211323103231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211323103196 and 12211323103205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211323106231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606131251 + ... + 606151396.

It is an arithmetic number, because the mean of its divisors is an integer number (1745687013120).

Almost surely, 2^{12211323103231} is an apocalyptic number.

12211323103231 is a deficient number, since it is larger than the sum of its proper divisors (1754173001729).

12211323103231 is a wasteful number, since it uses less digits than its factorization.

12211323103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212284093.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12211323103231 its reverse (13230132311221), we get a palindrome (25441455414452).

The spelling of 12211323103231 in words is "twelve trillion, two hundred eleven billion, three hundred twenty-three million, one hundred three thousand, two hundred thirty-one".