1210223312113 has 4 divisors (see below), whose sum is σ = 1210506674688. Its totient is φ = 1209939949540.

The previous prime is 1210223312101. The next prime is 1210223312147. The reversal of 1210223312113 is 3112133220121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1210223312113 - 2²⁵ = 1210189757681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210223312513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141674881 + ... + 141683422.

It is an arithmetic number, because the mean of its divisors is an integer number (302626668672).

Almost surely, 2^{1210223312113} is an apocalyptic number.

It is an amenable number.

1210223312113 is a deficient number, since it is larger than the sum of its proper divisors (283362575).

1210223312113 is an equidigital number, since it uses as much as digits as its factorization.

1210223312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283362574.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1210223312113 its reverse (3112133220121), we get a palindrome (4322356532234).

The spelling of 1210223312113 in words is "one trillion, two hundred ten billion, two hundred twenty-three million, three hundred twelve thousand, one hundred thirteen".