10021212353653 has 2 divisors, whose sum is σ = 10021212353654. Its totient is φ = 10021212353652.

The previous prime is 10021212353651. The next prime is 10021212353707. The reversal of 10021212353653 is 35635321212001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6266445804369 + 3754766549284 = 2503287^2 + 1937722^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021212353653 - 2¹ = 10021212353651 is a prime.

Together with 10021212353651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021212353651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010606176826 + 5010606176827.

It is an arithmetic number, because the mean of its divisors is an integer number (5010606176827).

Almost surely, 2^{10021212353653} is an apocalyptic number.

It is an amenable number.

10021212353653 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021212353653 is an equidigital number, since it uses as much as digits as its factorization.

10021212353653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 10021212353653 its reverse (35635321212001), we get a palindrome (45656533565654).

The spelling of 10021212353653 in words is "ten trillion, twenty-one billion, two hundred twelve million, three hundred fifty-three thousand, six hundred fifty-three".