12011210023231 has 8 divisors (see below), whose sum is σ = 12098981071440. Its totient is φ = 11923440395328.

The previous prime is 12011210023103. The next prime is 12011210023261. The reversal of 12011210023231 is 13232001211021.

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 12011210023231 - 2⁷ = 12011210023103 is a prime.

It is a super-2 number, since 2×12011210023231² (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 = 12011210023199 and 12011210023208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011210023261) 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, 21529080 + ... + 22079938.

It is an arithmetic number, because the mean of its divisors is an integer number (1512372633930).

Almost surely, 2^{12011210023231} is an apocalyptic number.

12011210023231 is a deficient number, since it is larger than the sum of its proper divisors (87771048209).

12011210023231 is a wasteful number, since it uses less digits than its factorization.

12011210023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710153.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12011210023231 its reverse (13232001211021), we get a palindrome (25243211234252).

The spelling of 12011210023231 in words is "twelve trillion, eleven billion, two hundred ten million, twenty-three thousand, two hundred thirty-one".