12011032031233 has 4 divisors (see below), whose sum is σ = 12011080097620. Its totient is φ = 12010983964848.

The previous prime is 12011032031221. The next prime is 12011032031279. The reversal of 12011032031233 is 33213023011021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10978467144129 + 1032564887104 = 3313377^2 + 1016152^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011032031233 - 2⁹ = 12011032030721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011032031213) 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, 23656398 + ... + 24158791.

It is an arithmetic number, because the mean of its divisors is an integer number (3002770024405).

Almost surely, 2^{12011032031233} is an apocalyptic number.

It is an amenable number.

12011032031233 is a deficient number, since it is larger than the sum of its proper divisors (48066387).

12011032031233 is an equidigital number, since it uses as much as digits as its factorization.

12011032031233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48066386.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12011032031233 its reverse (33213023011021), we get a palindrome (45224055042254).

The spelling of 12011032031233 in words is "twelve trillion, eleven billion, thirty-two million, thirty-one thousand, two hundred thirty-three".