12001100210027 has 2 divisors, whose sum is σ = 12001100210028. Its totient is φ = 12001100210026.

The previous prime is 12001100210017. The next prime is 12001100210041. The reversal of 12001100210027 is 72001200110021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12001100210027 - 2⁶ = 12001100209963 is a prime.

It is a super-2 number, since 2×12001100210027² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001100209987 and 12001100210014.

It is not a weakly prime, because it can be changed into another prime (12001100210017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000550105013 + 6000550105014.

It is an arithmetic number, because the mean of its divisors is an integer number (6000550105014).

Almost surely, 2^{12001100210027} is an apocalyptic number.

12001100210027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001100210027 is an equidigital number, since it uses as much as digits as its factorization.

12001100210027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 12001100210027 its reverse (72001200110021), we get a palindrome (84002300320048).

The spelling of 12001100210027 in words is "twelve trillion, one billion, one hundred million, two hundred ten thousand, twenty-seven".