1323002003121 has 12 divisors (see below), whose sum is σ = 1935192804480. Its totient is φ = 870836761080.

The previous prime is 1323002003077. The next prime is 1323002003143. The reversal of 1323002003121 is 1213002003231.

1323002003121 is a `hidden beast` number, since 1 + 32 + 300 + 20 + 0 + 312 + 1 = 666.

It is not a de Polignac number, because 1323002003121 - 2¹⁴ = 1323001986737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323002003094 and 1323002003103.

It is not an unprimeable number, because it can be changed into a prime (1323002003161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 930380445 + ... + 930381866.

It is an arithmetic number, because the mean of its divisors is an integer number (161266067040).

Almost surely, 2^{1323002003121} is an apocalyptic number.

It is an amenable number.

1323002003121 is a deficient number, since it is larger than the sum of its proper divisors (612190801359).

1323002003121 is a wasteful number, since it uses less digits than its factorization.

1323002003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860762396 (or 1860762393 counting only the distinct ones).

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

Adding to 1323002003121 its reverse (1213002003231), we get a palindrome (2536004006352).

The spelling of 1323002003121 in words is "one trillion, three hundred twenty-three billion, two million, three thousand, one hundred twenty-one".