10212036561917 has 2 divisors, whose sum is σ = 10212036561918. Its totient is φ = 10212036561916.

The previous prime is 10212036561821. The next prime is 10212036562033. The reversal of 10212036561917 is 71916563021201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6609249155716 + 3602787406201 = 2570846^2 + 1898101^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212036561917 - 2²² = 10212032367613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212036566917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106018280958 + 5106018280959.

It is an arithmetic number, because the mean of its divisors is an integer number (5106018280959).

Almost surely, 2^{10212036561917} is an apocalyptic number.

It is an amenable number.

10212036561917 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212036561917 is an equidigital number, since it uses as much as digits as its factorization.

10212036561917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 10212036561917 in words is "ten trillion, two hundred twelve billion, thirty-six million, five hundred sixty-one thousand, nine hundred seventeen".