10212313032421 has 2 divisors, whose sum is σ = 10212313032422. Its totient is φ = 10212313032420.

The previous prime is 10212313032379. The next prime is 10212313032451. The reversal of 10212313032421 is 12423031321201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6083553188196 + 4128759844225 = 2466486^2 + 2031935^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212313032421 - 2¹⁵ = 10212312999653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212313032451) 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, 5106156516210 + 5106156516211.

It is an arithmetic number, because the mean of its divisors is an integer number (5106156516211).

Almost surely, 2^{10212313032421} is an apocalyptic number.

It is an amenable number.

10212313032421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212313032421 is an equidigital number, since it uses as much as digits as its factorization.

10212313032421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 10212313032421 its reverse (12423031321201), we get a palindrome (22635344353622).

The spelling of 10212313032421 in words is "ten trillion, two hundred twelve billion, three hundred thirteen million, thirty-two thousand, four hundred twenty-one".