12011333032331 has 4 divisors (see below), whose sum is σ = 12117628015032. Its totient is φ = 11905038049632.

The previous prime is 12011333032273. The next prime is 12011333032409. The reversal of 12011333032331 is 13323033311021.

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 12011333032331 - 2⁶ = 12011333032267 is a prime.

It is a super-2 number, since 2×12011333032331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011333032331.

It is not an unprimeable number, because it can be changed into a prime (12011333032031) 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, 53147491181 + ... + 53147491406.

It is an arithmetic number, because the mean of its divisors is an integer number (3029407003758).

Almost surely, 2^{12011333032331} is an apocalyptic number.

12011333032331 is a deficient number, since it is larger than the sum of its proper divisors (106294982701).

12011333032331 is a wasteful number, since it uses less digits than its factorization.

12011333032331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106294982700.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 12011333032331 its reverse (13323033311021), we get a palindrome (25334366343352).

The spelling of 12011333032331 in words is "twelve trillion, eleven billion, three hundred thirty-three million, thirty-two thousand, three hundred thirty-one".