12031233020201 has 4 divisors (see below), whose sum is σ = 12141611304900. Its totient is φ = 11920854735504.

The previous prime is 12031233020197. The next prime is 12031233020237. The reversal of 12031233020201 is 10202033213021.

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 10743743395225 + 1287489624976 = 3277765^2 + 1134676^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031233020201 - 2² = 12031233020197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031233020801) 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, 55189142186 + ... + 55189142403.

It is an arithmetic number, because the mean of its divisors is an integer number (3035402826225).

Almost surely, 2^{12031233020201} is an apocalyptic number.

It is an amenable number.

12031233020201 is a deficient number, since it is larger than the sum of its proper divisors (110378284699).

12031233020201 is a wasteful number, since it uses less digits than its factorization.

12031233020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110378284698.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12031233020201 its reverse (10202033213021), we get a palindrome (22233266233222).

The spelling of 12031233020201 in words is "twelve trillion, thirty-one billion, two hundred thirty-three million, twenty thousand, two hundred one".