12011330003231 has 6 divisors (see below), whose sum is σ = 13006351423800. Its totient is φ = 11087381541288.

The previous prime is 12011330003201. The next prime is 12011330003297. The reversal of 12011330003231 is 13230003311021.

It is not a de Polignac number, because 12011330003231 - 2¹⁰ = 12011330002207 is a prime.

It is a super-2 number, since 2×12011330003231² (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 (12011330003201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35536479131 + ... + 35536479468.

It is an arithmetic number, because the mean of its divisors is an integer number (2167725237300).

Almost surely, 2^{12011330003231} is an apocalyptic number.

12011330003231 is a deficient number, since it is larger than the sum of its proper divisors (995021420569).

12011330003231 is an equidigital number, since it uses as much as digits as its factorization.

12011330003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71072958625 (or 71072958612 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12011330003231 its reverse (13230003311021), we get a palindrome (25241333314252).

The spelling of 12011330003231 in words is "twelve trillion, eleven billion, three hundred thirty million, three thousand, two hundred thirty-one".