1210202313113 has 4 divisors (see below), whose sum is σ = 1210232475060. Its totient is φ = 1210172151168.

The previous prime is 1210202313091. The next prime is 1210202313119. The reversal of 1210202313113 is 3113132020121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 534431178304 + 675771134809 = 731048^2 + 822053^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210202313113 - 2²² = 1210198118809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210202313119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15020708 + ... + 15101061.

It is an arithmetic number, because the mean of its divisors is an integer number (302558118765).

Almost surely, 2^{1210202313113} is an apocalyptic number.

It is an amenable number.

1210202313113 is a deficient number, since it is larger than the sum of its proper divisors (30161947).

1210202313113 is an equidigital number, since it uses as much as digits as its factorization.

1210202313113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30161946.

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

Adding to 1210202313113 its reverse (3113132020121), we get a palindrome (4323334333234).

The spelling of 1210202313113 in words is "one trillion, two hundred ten billion, two hundred two million, three hundred thirteen thousand, one hundred thirteen".