10212100311449 has 2 divisors, whose sum is σ = 10212100311450. Its totient is φ = 10212100311448.

The previous prime is 10212100311377. The next prime is 10212100311461. The reversal of 10212100311449 is 94411300121201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10205852515600 + 6247795849 = 3194660^2 + 79043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10212100311449 is a prime.

It is not a weakly prime, because it can be changed into another prime (10212100311949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106050155724 + 5106050155725.

It is an arithmetic number, because the mean of its divisors is an integer number (5106050155725).

Almost surely, 2^{10212100311449} is an apocalyptic number.

It is an amenable number.

10212100311449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212100311449 is an equidigital number, since it uses as much as digits as its factorization.

10212100311449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 10212100311449 in words is "ten trillion, two hundred twelve billion, one hundred million, three hundred eleven thousand, four hundred forty-nine".