10000120019993 has 2 divisors, whose sum is σ = 10000120019994. Its totient is φ = 10000120019992.

The previous prime is 10000120019969. The next prime is 10000120020013. The reversal of 10000120019993 is 39991002100001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6019308951184 + 3980811068809 = 2453428^2 + 1995197^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000120019993 - 2¹⁴ = 10000120003609 is a prime.

It is not a weakly prime, because it can be changed into another prime (10000120019893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000060009996 + 5000060009997.

It is an arithmetic number, because the mean of its divisors is an integer number (5000060009997).

Almost surely, 2^{10000120019993} is an apocalyptic number.

It is an amenable number.

10000120019993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000120019993 is an equidigital number, since it uses as much as digits as its factorization.

10000120019993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 35.

Adding to 10000120019993 its reverse (39991002100001), we get a palindrome (49991122119994).

The spelling of 10000120019993 in words is "ten trillion, one hundred twenty million, nineteen thousand, nine hundred ninety-three".