321120002 has 8 divisors (see below), whose sum is σ = 550491456. Its totient is φ = 137622852.

The previous prime is 321119993. The next prime is 321120013. The reversal of 321120002 is 200021123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11468558 + ... + 11468585.

It is an arithmetic number, because the mean of its divisors is an integer number (68811432).

Almost surely, 2^321120002 is an apocalyptic number.

321120002 is a deficient number, since it is larger than the sum of its proper divisors (229371454).

321120002 is a wasteful number, since it uses less digits than its factorization.

321120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22937152.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 321120002 is about 17919.8214834858. The cubic root of 321120002 is about 684.7874396866.

Adding to 321120002 its reverse (200021123), we get a palindrome (521141125).

The spelling of 321120002 in words is "three hundred twenty-one million, one hundred twenty thousand, two".