12020131233 has 24 divisors (see below), whose sum is σ = 19207596096. Its totient is φ = 7182319200.

The previous prime is 12020131217. The next prime is 12020131247. The reversal of 12020131233 is 33213102021.

12020131233 is a `hidden beast` number, since 120 + 201 + 312 + 33 = 666.

It is not a de Polignac number, because 12020131233 - 2⁴ = 12020131217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020131273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 848010 + ... + 862067.

It is an arithmetic number, because the mean of its divisors is an integer number (800316504).

Almost surely, 2^12020131233 is an apocalyptic number.

It is an amenable number.

12020131233 is a deficient number, since it is larger than the sum of its proper divisors (7187464863).

12020131233 is a wasteful number, since it uses less digits than its factorization.

12020131233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710165 (or 1710162 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12020131233 its reverse (33213102021), we get a palindrome (45233233254).

The spelling of 12020131233 in words is "twelve billion, twenty million, one hundred thirty-one thousand, two hundred thirty-three".