1201003230321 has 16 divisors (see below), whose sum is σ = 1780989851520. Its totient is φ = 799892207280.

The previous prime is 1201003230313. The next prime is 1201003230353. The reversal of 1201003230321 is 1230323001021.

1201003230321 is a `hidden beast` number, since 1 + 20 + 1 + 0 + 0 + 323 + 0 + 321 = 666.

It is not a de Polignac number, because 1201003230321 - 2³ = 1201003230313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201003230294 and 1201003230303.

It is not an unprimeable number, because it can be changed into a prime (1201003230121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21544230 + ... + 21599903.

It is an arithmetic number, because the mean of its divisors is an integer number (111311865720).

Almost surely, 2^{1201003230321} is an apocalyptic number.

It is an amenable number.

1201003230321 is a deficient number, since it is larger than the sum of its proper divisors (579986621199).

1201003230321 is a wasteful number, since it uses less digits than its factorization.

1201003230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43145173 (or 43145167 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1201003230321 its reverse (1230323001021), we get a palindrome (2431326231342).

The spelling of 1201003230321 in words is "one trillion, two hundred one billion, three million, two hundred thirty thousand, three hundred twenty-one".