10120012201993 has 2 divisors, whose sum is σ = 10120012201994. Its totient is φ = 10120012201992.

The previous prime is 10120012201969. The next prime is 10120012202039. The reversal of 10120012201993 is 39910221002101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5094717093904 + 5025295108089 = 2257148^2 + 2241717^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120012201993 - 2⁵ = 10120012201961 is a prime.

It is not a weakly prime, because it can be changed into another prime (10120012201933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060006100996 + 5060006100997.

It is an arithmetic number, because the mean of its divisors is an integer number (5060006100997).

Almost surely, 2^{10120012201993} is an apocalyptic number.

It is an amenable number.

10120012201993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120012201993 is an equidigital number, since it uses as much as digits as its factorization.

10120012201993 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 31.

The spelling of 10120012201993 in words is "ten trillion, one hundred twenty billion, twelve million, two hundred one thousand, nine hundred ninety-three".