12011032123231 has 16 divisors (see below), whose sum is σ = 12248145866880. Its totient is φ = 11776359052800.

The previous prime is 12011032123213. The next prime is 12011032123243. The reversal of 12011032123231 is 13232123011021.

It is a cyclic number.

It is not a de Polignac number, because 12011032123231 - 2⁵ = 12011032123199 is a prime.

It is a super-2 number, since 2×12011032123231² (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 (12011032123271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19256010 + ... + 19869976.

It is an arithmetic number, because the mean of its divisors is an integer number (765509116680).

Almost surely, 2^{12011032123231} is an apocalyptic number.

12011032123231 is a deficient number, since it is larger than the sum of its proper divisors (237113743649).

12011032123231 is a wasteful number, since it uses less digits than its factorization.

12011032123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615954.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12011032123231 its reverse (13232123011021), we get a palindrome (25243155134252).

The spelling of 12011032123231 in words is "twelve trillion, eleven billion, thirty-two million, one hundred twenty-three thousand, two hundred thirty-one".