201212001021607 has 2 divisors, whose sum is σ = 201212001021608. Its totient is φ = 201212001021606.

The previous prime is 201212001021593. The next prime is 201212001021653. The reversal of 201212001021607 is 706120100212102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201212001021607 - 2³⁵ = 201177641283239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201212001021307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100606000510803 + 100606000510804.

It is an arithmetic number, because the mean of its divisors is an integer number (100606000510804).

Almost surely, 2^{201212001021607} is an apocalyptic number.

201212001021607 is a deficient number, since it is larger than the sum of its proper divisors (1).

201212001021607 is an equidigital number, since it uses as much as digits as its factorization.

201212001021607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 201212001021607 its reverse (706120100212102), we get a palindrome (907332101233709).

The spelling of 201212001021607 in words is "two hundred one trillion, two hundred twelve billion, one million, twenty-one thousand, six hundred seven".