210012010993 has 2 divisors, whose sum is σ = 210012010994. Its totient is φ = 210012010992.

The previous prime is 210012010909. The next prime is 210012011017. The reversal of 210012010993 is 399010210012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161887936609 + 48124074384 = 402353^2 + 219372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210012010993 is a prime.

It is a super-2 number, since 2×210012010993² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210012010903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105006005496 + 105006005497.

It is an arithmetic number, because the mean of its divisors is an integer number (105006005497).

Almost surely, 2^210012010993 is an apocalyptic number.

It is an amenable number.

210012010993 is a deficient number, since it is larger than the sum of its proper divisors (1).

210012010993 is an equidigital number, since it uses as much as digits as its factorization.

210012010993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 210012010993 in words is "two hundred ten billion, twelve million, ten thousand, nine hundred ninety-three".