12001133201213 has 4 divisors (see below), whose sum is σ = 12924297293628. Its totient is φ = 11077969108800.

The previous prime is 12001133201209. The next prime is 12001133201227. The reversal of 12001133201213 is 31210233110021.

It is a happy number.

12001133201213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6951306260089 + 5049826941124 = 2636533^2 + 2247182^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001133201213 - 2² = 12001133201209 is a prime.

It is a super-2 number, since 2×12001133201213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001133201273) 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, 461582046188 + ... + 461582046213.

It is an arithmetic number, because the mean of its divisors is an integer number (3231074323407).

Almost surely, 2^{12001133201213} is an apocalyptic number.

12001133201213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12001133201213 is a deficient number, since it is larger than the sum of its proper divisors (923164092415).

12001133201213 is an equidigital number, since it uses as much as digits as its factorization.

12001133201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923164092414.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12001133201213 its reverse (31210233110021), we get a palindrome (43211366311234).

The spelling of 12001133201213 in words is "twelve trillion, one billion, one hundred thirty-three million, two hundred one thousand, two hundred thirteen".