321012133 has 8 divisors (see below), whose sum is σ = 347155200. Its totient is φ = 295076208.

The previous prime is 321012121. The next prime is 321012137. The reversal of 321012133 is 331210123.

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

It is a cyclic number.

It is not a de Polignac number, because 321012133 - 2¹³ = 321003941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321012137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48553 + ... + 54766.

It is an arithmetic number, because the mean of its divisors is an integer number (43394400).

Almost surely, 2^321012133 is an apocalyptic number.

It is an amenable number.

321012133 is a deficient number, since it is larger than the sum of its proper divisors (26143067).

321012133 is a wasteful number, since it uses less digits than its factorization.

321012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103571.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 321012133 is about 17916.8114629808. The cubic root of 321012133 is about 684.7107543265.

Adding to 321012133 its reverse (331210123), we get a palindrome (652222256).

The spelling of 321012133 in words is "three hundred twenty-one million, twelve thousand, one hundred thirty-three".