2012321001 has 8 divisors (see below), whose sum is σ = 2683606464. Its totient is φ = 1341291440.

The previous prime is 2012320997. The next prime is 2012321053. The reversal of 2012321001 is 1001232102.

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 2012321001 - 2² = 2012320997 is a prime.

It is a super-2 number, since 2×2012321001² = 8098871622131284002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2012322001) 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 7 ways as a sum of consecutive naturals, for example, 44805 + ... + 77666.

It is an arithmetic number, because the mean of its divisors is an integer number (335450808).

Almost surely, 2^2012321001 is an apocalyptic number.

It is an amenable number.

2012321001 is a deficient number, since it is larger than the sum of its proper divisors (671285463).

2012321001 is a wasteful number, since it uses less digits than its factorization.

2012321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127951.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2012321001 is about 44858.9010230969. The cubic root of 2012321001 is about 1262.5030031756.

Adding to 2012321001 its reverse (1001232102), we get a palindrome (3013553103).

The spelling of 2012321001 in words is "two billion, twelve million, three hundred twenty-one thousand, one".