1213244102303 has 4 divisors (see below), whose sum is σ = 1213251044088. Its totient is φ = 1213237160520.

The previous prime is 1213244102281. The next prime is 1213244102351. The reversal of 1213244102303 is 3032014423121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213244102303 - 2⁸ = 1213244102047 is a prime.

It is a super-2 number, since 2×1213244102303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213244122303) 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, 3201776 + ... + 3560597.

It is an arithmetic number, because the mean of its divisors is an integer number (303312761022).

Almost surely, 2^{1213244102303} is an apocalyptic number.

1213244102303 is a deficient number, since it is larger than the sum of its proper divisors (6941785).

1213244102303 is an equidigital number, since it uses as much as digits as its factorization.

1213244102303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6941784.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1213244102303 its reverse (3032014423121), we get a palindrome (4245258525424).

The spelling of 1213244102303 in words is "one trillion, two hundred thirteen billion, two hundred forty-four million, one hundred two thousand, three hundred three".