1210013371813 has 2 divisors, whose sum is σ = 1210013371814. Its totient is φ = 1210013371812.

The previous prime is 1210013371799. The next prime is 1210013371913. The reversal of 1210013371813 is 3181733100121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 685282641124 + 524730730689 = 827818^2 + 724383^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210013371813 - 2¹⁷ = 1210013240741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210013371013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605006685906 + 605006685907.

It is an arithmetic number, because the mean of its divisors is an integer number (605006685907).

Almost surely, 2^{1210013371813} is an apocalyptic number.

It is an amenable number.

1210013371813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210013371813 is an equidigital number, since it uses as much as digits as its factorization.

1210013371813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 1210013371813 its reverse (3181733100121), we get a palindrome (4391746471934).

The spelling of 1210013371813 in words is "one trillion, two hundred ten billion, thirteen million, three hundred seventy-one thousand, eight hundred thirteen".