1012213120313 has 2 divisors, whose sum is σ = 1012213120314. Its totient is φ = 1012213120312.

The previous prime is 1012213120297. The next prime is 1012213120319. The reversal of 1012213120313 is 3130213122101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 976199328784 + 36013791529 = 988028^2 + 189773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012213120313 - 2⁴ = 1012213120297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012213120319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506106560156 + 506106560157.

It is an arithmetic number, because the mean of its divisors is an integer number (506106560157).

Almost surely, 2^{1012213120313} is an apocalyptic number.

It is an amenable number.

1012213120313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012213120313 is an equidigital number, since it uses as much as digits as its factorization.

1012213120313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1012213120313 its reverse (3130213122101), we get a palindrome (4142426242414).

The spelling of 1012213120313 in words is "one trillion, twelve billion, two hundred thirteen million, one hundred twenty thousand, three hundred thirteen".