12001133231013 has 32 divisors (see below), whose sum is σ = 17222838060672. Its totient is φ = 7405684070400.

The previous prime is 12001133230949. The next prime is 12001133231041. The reversal of 12001133231013 is 31013233110021.

It is a happy number.

It is not a de Polignac number, because 12001133231013 - 2⁶ = 12001133230949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001133231093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23267170 + ... + 23777372.

It is an arithmetic number, because the mean of its divisors is an integer number (538213689396).

Almost surely, 2^{12001133231013} is an apocalyptic number.

It is an amenable number.

12001133231013 is a deficient number, since it is larger than the sum of its proper divisors (5221704829659).

12001133231013 is a wasteful number, since it uses less digits than its factorization.

12001133231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517845.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12001133231013 its reverse (31013233110021), we get a palindrome (43014366341034).

The spelling of 12001133231013 in words is "twelve trillion, one billion, one hundred thirty-three million, two hundred thirty-one thousand, thirteen".