212200010993 has 2 divisors, whose sum is σ = 212200010994. Its totient is φ = 212200010992.

The previous prime is 212200010987. The next prime is 212200011061. The reversal of 212200010993 is 399010002212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113445691489 + 98754319504 = 336817^2 + 314252^2 .

It is a cyclic number.

It is not a de Polignac number, because 212200010993 - 2⁶ = 212200010929 is a prime.

It is not a weakly prime, because it can be changed into another prime (212200010293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100005496 + 106100005497.

It is an arithmetic number, because the mean of its divisors is an integer number (106100005497).

Almost surely, 2^212200010993 is an apocalyptic number.

It is an amenable number.

212200010993 is a deficient number, since it is larger than the sum of its proper divisors (1).

212200010993 is an equidigital number, since it uses as much as digits as its factorization.

212200010993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 212200010993 in words is "two hundred twelve billion, two hundred million, ten thousand, nine hundred ninety-three".