12211020121007 has 2 divisors, whose sum is σ = 12211020121008. Its totient is φ = 12211020121006.

The previous prime is 12211020120991. The next prime is 12211020121049. The reversal of 12211020121007 is 70012102011221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211020121007 - 2⁴ = 12211020120991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12211020121007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211020121057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105510060503 + 6105510060504.

It is an arithmetic number, because the mean of its divisors is an integer number (6105510060504).

Almost surely, 2^{12211020121007} is an apocalyptic number.

12211020121007 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211020121007 is an equidigital number, since it uses as much as digits as its factorization.

12211020121007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 12211020121007 its reverse (70012102011221), we get a palindrome (82223122132228).

The spelling of 12211020121007 in words is "twelve trillion, two hundred eleven billion, twenty million, one hundred twenty-one thousand, seven".