212321313003 has 32 divisors (see below), whose sum is σ = 296049254400. Its totient is φ = 135191347200.

The previous prime is 212321312999. The next prime is 212321313011. The reversal of 212321313003 is 300313123212.

It is not a de Polignac number, because 212321313003 - 2² = 212321312999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212321313703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24453823 + ... + 24462503.

It is an arithmetic number, because the mean of its divisors is an integer number (9251539200).

Almost surely, 2^212321313003 is an apocalyptic number.

212321313003 is a deficient number, since it is larger than the sum of its proper divisors (83727941397).

212321313003 is a wasteful number, since it uses less digits than its factorization.

212321313003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12123.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212321313003 its reverse (300313123212), we get a palindrome (512634436215).

The spelling of 212321313003 in words is "two hundred twelve billion, three hundred twenty-one million, three hundred thirteen thousand, three".