12230311121231 has 8 divisors (see below), whose sum is σ = 14428385470464. Its totient is φ = 10144958533560.

The previous prime is 12230311121153. The next prime is 12230311121233. The reversal of 12230311121231 is 13212111303221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12230311121231 is a prime.

It is a super-2 number, since 2×12230311121231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12230311121197 and 12230311121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230311121233) 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, 28180440155 + ... + 28180440588.

It is an arithmetic number, because the mean of its divisors is an integer number (1803548183808).

Almost surely, 2^{12230311121231} is an apocalyptic number.

12230311121231 is a deficient number, since it is larger than the sum of its proper divisors (2198074349233).

12230311121231 is an equidigital number, since it uses as much as digits as its factorization.

12230311121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56360880781.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12230311121231 its reverse (13212111303221), we get a palindrome (25442422424452).

The spelling of 12230311121231 in words is "twelve trillion, two hundred thirty billion, three hundred eleven million, one hundred twenty-one thousand, two hundred thirty-one".