1201223313303 has 32 divisors (see below), whose sum is σ = 1739633871360. Its totient is φ = 732881934720.

The previous prime is 1201223313253. The next prime is 1201223313359. The reversal of 1201223313303 is 3033133221021.

It is not a de Polignac number, because 1201223313303 - 2²⁶ = 1201156204439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201223313373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5351550 + ... + 5571492.

It is an arithmetic number, because the mean of its divisors is an integer number (54363558480).

Almost surely, 2^{1201223313303} is an apocalyptic number.

1201223313303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1201223313303 is a deficient number, since it is larger than the sum of its proper divisors (538410558057).

1201223313303 is a wasteful number, since it uses less digits than its factorization.

1201223313303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221159.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1201223313303 its reverse (3033133221021), we get a palindrome (4234356534324).

The spelling of 1201223313303 in words is "one trillion, two hundred one billion, two hundred twenty-three million, three hundred thirteen thousand, three hundred three".