202102013123287 has 2 divisors, whose sum is σ = 202102013123288. Its totient is φ = 202102013123286.

The previous prime is 202102013123111. The next prime is 202102013123293. The reversal of 202102013123287 is 782321310201202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202102013123287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202102013133287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051006561643 + 101051006561644.

It is an arithmetic number, because the mean of its divisors is an integer number (101051006561644).

Almost surely, 2^{202102013123287} is an apocalyptic number.

202102013123287 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102013123287 is an equidigital number, since it uses as much as digits as its factorization.

202102013123287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 202102013123287 its reverse (782321310201202), we get a palindrome (984423323324489).

The spelling of 202102013123287 in words is "two hundred two trillion, one hundred two billion, thirteen million, one hundred twenty-three thousand, two hundred eighty-seven".