213012321001 has 8 divisors (see below), whose sum is σ = 217974875360. Its totient is φ = 208050165792.

The previous prime is 213012320929. The next prime is 213012321007. The reversal of 213012321001 is 100123210312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213012321001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213012321007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164301 + ... + 1334773.

It is an arithmetic number, because the mean of its divisors is an integer number (27246859420).

Almost surely, 2^213012321001 is an apocalyptic number.

It is an amenable number.

213012321001 is a deficient number, since it is larger than the sum of its proper divisors (4962554359).

213012321001 is a wasteful number, since it uses less digits than its factorization.

213012321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199575.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 213012321001 its reverse (100123210312), we get a palindrome (313135531313).

The spelling of 213012321001 in words is "two hundred thirteen billion, twelve million, three hundred twenty-one thousand, one".