12020033231 has 8 divisors (see below), whose sum is σ = 12346423440. Its totient is φ = 11693723328.

The previous prime is 12020033167. The next prime is 12020033281. The reversal of 12020033231 is 13233002021.

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 12020033231 - 2⁶ = 12020033167 is a prime.

It is a super-2 number, since 2×12020033231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020033281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402080 + ... + 430938.

It is an arithmetic number, because the mean of its divisors is an integer number (1543302930).

Almost surely, 2^12020033231 is an apocalyptic number.

12020033231 is a deficient number, since it is larger than the sum of its proper divisors (326390209).

12020033231 is a wasteful number, since it uses less digits than its factorization.

12020033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40153.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12020033231 its reverse (13233002021), we get a palindrome (25253035252).

The spelling of 12020033231 in words is "twelve billion, twenty million, thirty-three thousand, two hundred thirty-one".