1020212101247 has 2 divisors, whose sum is σ = 1020212101248. Its totient is φ = 1020212101246.

The previous prime is 1020212101201. The next prime is 1020212101253. The reversal of 1020212101247 is 7421012120201.

1020212101247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (7421012120201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020212101247 - 2¹⁰ = 1020212100223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020212101547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510106050623 + 510106050624.

It is an arithmetic number, because the mean of its divisors is an integer number (510106050624).

Almost surely, 2^{1020212101247} is an apocalyptic number.

1020212101247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020212101247 is an equidigital number, since it uses as much as digits as its factorization.

1020212101247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 1020212101247 its reverse (7421012120201), we get a palindrome (8441224221448).

The spelling of 1020212101247 in words is "one trillion, twenty billion, two hundred twelve million, one hundred one thousand, two hundred forty-seven".