102012303321 has 24 divisors (see below), whose sum is σ = 151101007200. Its totient is φ = 66284257536.

The previous prime is 102012303317. The next prime is 102012303377. The reversal of 102012303321 is 123303210201.

102012303321 is a `hidden beast` number, since 10 + 20 + 12 + 303 + 321 = 666.

It is not a de Polignac number, because 102012303321 - 2² = 102012303317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102012303294 and 102012303303.

It is not an unprimeable number, because it can be changed into a prime (102012303311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101496 + ... + 462953.

It is an arithmetic number, because the mean of its divisors is an integer number (6295875300).

Almost surely, 2^102012303321 is an apocalyptic number.

It is an amenable number.

102012303321 is a deficient number, since it is larger than the sum of its proper divisors (49088703879).

102012303321 is a wasteful number, since it uses less digits than its factorization.

102012303321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564965 (or 564962 counting only the distinct ones).

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

Adding to 102012303321 its reverse (123303210201), we get a palindrome (225315513522).

The spelling of 102012303321 in words is "one hundred two billion, twelve million, three hundred three thousand, three hundred twenty-one".