213212330003 has 4 divisors (see below), whose sum is σ = 217235204208. Its totient is φ = 209189455800.

The previous prime is 213212329949. The next prime is 213212330021. The reversal of 213212330003 is 300033212312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213212330003 - 2²⁶ = 213145221139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213212330603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011437023 + ... + 2011437128.

It is an arithmetic number, because the mean of its divisors is an integer number (54308801052).

Almost surely, 2^213212330003 is an apocalyptic number.

213212330003 is a deficient number, since it is larger than the sum of its proper divisors (4022874205).

213212330003 is an equidigital number, since it uses as much as digits as its factorization.

213212330003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022874204.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213212330003 its reverse (300033212312), we get a palindrome (513245542315).

The spelling of 213212330003 in words is "two hundred thirteen billion, two hundred twelve million, three hundred thirty thousand, three".