1012250056513 has 2 divisors, whose sum is σ = 1012250056514. Its totient is φ = 1012250056512.

The previous prime is 1012250056511. The next prime is 1012250056553. The reversal of 1012250056513 is 3156500522101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 822844923664 + 189405132849 = 907108^2 + 435207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012250056513 - 2¹ = 1012250056511 is a prime.

Together with 1012250056511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1012250056511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506125028256 + 506125028257.

It is an arithmetic number, because the mean of its divisors is an integer number (506125028257).

Almost surely, 2^{1012250056513} is an apocalyptic number.

It is an amenable number.

1012250056513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012250056513 is an equidigital number, since it uses as much as digits as its factorization.

1012250056513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 1012250056513 its reverse (3156500522101), we get a palindrome (4168750578614).

The spelling of 1012250056513 in words is "one trillion, twelve billion, two hundred fifty million, fifty-six thousand, five hundred thirteen".