12000211217 has 2 divisors, whose sum is σ = 12000211218. Its totient is φ = 12000211216.

The previous prime is 12000211193. The next prime is 12000211241. The reversal of 12000211217 is 71211200021.

It is a balanced prime because it is at equal distance from previous prime (12000211193) and next prime (12000211241).

It can be written as a sum of positive squares in only one way, i.e., 11941244176 + 58967041 = 109276^2 + 7679^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000211217 - 2²² = 11996016913 is a prime.

It is a super-2 number, since 2×12000211217² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12000211195 and 12000211204.

It is not a weakly prime, because it can be changed into another prime (12000211117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000105608 + 6000105609.

It is an arithmetic number, because the mean of its divisors is an integer number (6000105609).

Almost surely, 2^12000211217 is an apocalyptic number.

It is an amenable number.

12000211217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000211217 is an equidigital number, since it uses as much as digits as its factorization.

12000211217 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 12000211217 its reverse (71211200021), we get a palindrome (83211411238).

The spelling of 12000211217 in words is "twelve billion, two hundred eleven thousand, two hundred seventeen".