10212100120993 has 2 divisors, whose sum is σ = 10212100120994. Its totient is φ = 10212100120992.

The previous prime is 10212100120939. The next prime is 10212100121071. The reversal of 10212100120993 is 39902100121201.

Together with previous prime (10212100120939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9500493150369 + 711606970624 = 3082287^2 + 843568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10212100120993 is a prime.

It is not a weakly prime, because it can be changed into another prime (10212100120393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106050060496 + 5106050060497.

It is an arithmetic number, because the mean of its divisors is an integer number (5106050060497).

Almost surely, 2^{10212100120993} is an apocalyptic number.

It is an amenable number.

10212100120993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212100120993 is an equidigital number, since it uses as much as digits as its factorization.

10212100120993 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 10212100120993 in words is "ten trillion, two hundred twelve billion, one hundred million, one hundred twenty thousand, nine hundred ninety-three".