212010023993 has 2 divisors, whose sum is σ = 212010023994. Its totient is φ = 212010023992.

The previous prime is 212010023933. The next prime is 212010024019. The reversal of 212010023993 is 399320010212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114198712489 + 97811311504 = 337933^2 + 312748^2 .

It is a cyclic number.

It is not a de Polignac number, because 212010023993 - 2¹⁴ = 212010007609 is a prime.

It is not a weakly prime, because it can be changed into another prime (212010023933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005011996 + 106005011997.

It is an arithmetic number, because the mean of its divisors is an integer number (106005011997).

Almost surely, 2^212010023993 is an apocalyptic number.

It is an amenable number.

212010023993 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010023993 is an equidigital number, since it uses as much as digits as its factorization.

212010023993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 212010023993 in words is "two hundred twelve billion, ten million, twenty-three thousand, nine hundred ninety-three".