212113210003 has 16 divisors (see below), whose sum is σ = 222437521152. Its totient is φ = 202018752000.

The previous prime is 212113209977. The next prime is 212113210019. The reversal of 212113210003 is 300012311212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212113210003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212113210103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941583 + ... + 1144903.

It is an arithmetic number, because the mean of its divisors is an integer number (13902345072).

Almost surely, 2^212113210003 is an apocalyptic number.

212113210003 is a deficient number, since it is larger than the sum of its proper divisors (10324311149).

212113210003 is a wasteful number, since it uses less digits than its factorization.

212113210003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203886.

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

Adding to 212113210003 its reverse (300012311212), we get a palindrome (512125521215).

The spelling of 212113210003 in words is "two hundred twelve billion, one hundred thirteen million, two hundred ten thousand, three".