12011116211201 has 2 divisors, whose sum is σ = 12011116211202. Its totient is φ = 12011116211200.

The previous prime is 12011116211177. The next prime is 12011116211209. The reversal of 12011116211201 is 10211261111021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9482698201201 + 2528418010000 = 3079399^2 + 1590100^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011116211201 - 2²⁶ = 12011049102337 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011116211209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005558105600 + 6005558105601.

It is an arithmetic number, because the mean of its divisors is an integer number (6005558105601).

Almost surely, 2^{12011116211201} is an apocalyptic number.

It is an amenable number.

12011116211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011116211201 is an equidigital number, since it uses as much as digits as its factorization.

12011116211201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 12011116211201 its reverse (10211261111021), we get a palindrome (22222377322222).

The spelling of 12011116211201 in words is "twelve trillion, eleven billion, one hundred sixteen million, two hundred eleven thousand, two hundred one".