12101021212207 has 2 divisors, whose sum is σ = 12101021212208. Its totient is φ = 12101021212206.

The previous prime is 12101021212201. The next prime is 12101021212253. The reversal of 12101021212207 is 70221212010121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101021212207 - 2⁷ = 12101021212079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101021212201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050510606103 + 6050510606104.

It is an arithmetic number, because the mean of its divisors is an integer number (6050510606104).

Almost surely, 2^{12101021212207} is an apocalyptic number.

12101021212207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101021212207 is an equidigital number, since it uses as much as digits as its factorization.

12101021212207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 12101021212207 its reverse (70221212010121), we get a palindrome (82322233222328).

The spelling of 12101021212207 in words is "twelve trillion, one hundred one billion, twenty-one million, two hundred twelve thousand, two hundred seven".