12231000211331 has 4 divisors (see below), whose sum is σ = 13342909321464. Its totient is φ = 11119091101200.

The previous prime is 12231000211319. The next prime is 12231000211361. The reversal of 12231000211331 is 13311200013221.

It is a happy number.

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 12231000211331 - 2¹⁰ = 12231000210307 is a prime.

It is a super-2 number, since 2×12231000211331² (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 (12231000211361) 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, 555954555050 + ... + 555954555071.

It is an arithmetic number, because the mean of its divisors is an integer number (3335727330366).

Almost surely, 2^{12231000211331} is an apocalyptic number.

12231000211331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12231000211331 is a deficient number, since it is larger than the sum of its proper divisors (1111909110133).

12231000211331 is a wasteful number, since it uses less digits than its factorization.

12231000211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111909110132.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12231000211331 its reverse (13311200013221), we get a palindrome (25542200224552).

The spelling of 12231000211331 in words is "twelve trillion, two hundred thirty-one billion, two hundred eleven thousand, three hundred thirty-one".