12011230103231 has 4 divisors (see below), whose sum is σ = 12190502194392. Its totient is φ = 11831958012072.

The previous prime is 12011230103221. The next prime is 12011230103237. The reversal of 12011230103231 is 13230103211021.

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 12011230103231 - 2⁶ = 12011230103167 is a prime.

It is a super-2 number, since 2×12011230103231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011230103237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89636045480 + ... + 89636045613.

It is an arithmetic number, because the mean of its divisors is an integer number (3047625548598).

Almost surely, 2^{12011230103231} is an apocalyptic number.

12011230103231 is a deficient number, since it is larger than the sum of its proper divisors (179272091161).

12011230103231 is an equidigital number, since it uses as much as digits as its factorization.

12011230103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179272091160.

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

Adding to 12011230103231 its reverse (13230103211021), we get a palindrome (25241333314252).

The spelling of 12011230103231 in words is "twelve trillion, eleven billion, two hundred thirty million, one hundred three thousand, two hundred thirty-one".