12223131231331 has 8 divisors (see below), whose sum is σ = 12644888976720. Its totient is φ = 11801391516768.

The previous prime is 12223131231307. The next prime is 12223131231373. The reversal of 12223131231331 is 13313213132221.

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 12223131231331 - 2²¹ = 12223129134179 is a prime.

It is a super-2 number, since 2×12223131231331² (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 12223131231331.

It is not an unprimeable number, because it can be changed into a prime (12223131231301) 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 7 ways as a sum of consecutive naturals, for example, 3121281 + ... + 5847106.

It is an arithmetic number, because the mean of its divisors is an integer number (1580611122090).

Almost surely, 2^{12223131231331} is an apocalyptic number.

12223131231331 is a deficient number, since it is larger than the sum of its proper divisors (421757745389).

12223131231331 is an equidigital number, since it uses as much as digits as its factorization.

12223131231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9015413.

The product of its digits is 3888, while the sum is 28.

Adding to 12223131231331 its reverse (13313213132221), we get a palindrome (25536344363552).

The spelling of 12223131231331 in words is "twelve trillion, two hundred twenty-three billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred thirty-one".