12001123002213 has 20 divisors (see below), whose sum is σ = 18195179676960. Its totient is φ = 7881334505352.

The previous prime is 12001123002199. The next prime is 12001123002251. The reversal of 12001123002213 is 31220032110021.

12001123002213 is a `hidden beast` number, since 1 + 200 + 11 + 230 + 0 + 221 + 3 = 666.

It is not a de Polignac number, because 12001123002213 - 2⁸ = 12001123001957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001123002293) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1105681233 + ... + 1105692086.

It is an arithmetic number, because the mean of its divisors is an integer number (909758983848).

Almost surely, 2^{12001123002213} is an apocalyptic number.

It is an amenable number.

12001123002213 is a deficient number, since it is larger than the sum of its proper divisors (6194056674747).

12001123002213 is an equidigital number, since it uses as much as digits as its factorization.

12001123002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211373398 (or 2211373389 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12001123002213 its reverse (31220032110021), we get a palindrome (43221155112234).

The spelling of 12001123002213 in words is "twelve trillion, one billion, one hundred twenty-three million, two thousand, two hundred thirteen".