1201223342403 has 12 divisors (see below), whose sum is σ = 1982971866928. Its totient is φ = 686413338480.

The previous prime is 1201223342393. The next prime is 1201223342483. The reversal of 1201223342403 is 3042433221021.

1201223342403 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 2 + 233 + 424 + 0 + 3 = 666.

It is not a de Polignac number, because 1201223342403 - 2²⁶ = 1201156233539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201223342483) 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 11 ways as a sum of consecutive naturals, for example, 9533518528 + ... + 9533518653.

Almost surely, 2^{1201223342403} is an apocalyptic number.

1201223342403 is a deficient number, since it is larger than the sum of its proper divisors (781748524525).

1201223342403 is a wasteful number, since it uses less digits than its factorization.

1201223342403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19067037194 (or 19067037191 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1201223342403 its reverse (3042433221021), we get a palindrome (4243656563424).

The spelling of 1201223342403 in words is "one trillion, two hundred one billion, two hundred twenty-three million, three hundred forty-two thousand, four hundred three".