10212040344487 has 2 divisors, whose sum is σ = 10212040344488. Its totient is φ = 10212040344486.

The previous prime is 10212040344397. The next prime is 10212040344509. The reversal of 10212040344487 is 78444304021201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10212040344487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212049344487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106020172243 + 5106020172244.

It is an arithmetic number, because the mean of its divisors is an integer number (5106020172244).

Almost surely, 2^{10212040344487} is an apocalyptic number.

10212040344487 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212040344487 is an equidigital number, since it uses as much as digits as its factorization.

10212040344487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 40.

Adding to 10212040344487 its reverse (78444304021201), we get a palindrome (88656344365688).

The spelling of 10212040344487 in words is "ten trillion, two hundred twelve billion, forty million, three hundred forty-four thousand, four hundred eighty-seven".