212103030303 has 16 divisors (see below), whose sum is σ = 317337871200. Its totient is φ = 140001998400.

The previous prime is 212103030289. The next prime is 212103030383. The reversal of 212103030303 is 303030301212.

212103030303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212103030303 - 2⁸ = 212103030047 is a prime.

It is an alternating number because its digits alternate between even and odd.

212103030303 is a modest number, since divided by 3030303 gives 2121 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212103030383) 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 15 ways as a sum of consecutive naturals, for example, 38886718 + ... + 38892171.

It is an arithmetic number, because the mean of its divisors is an integer number (19833616950).

Almost surely, 2^212103030303 is an apocalyptic number.

212103030303 is a deficient number, since it is larger than the sum of its proper divisors (105234840897).

212103030303 is a wasteful number, since it uses less digits than its factorization.

212103030303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77778999 (or 77778993 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 212103030303 its reverse (303030301212), we get a palindrome (515133331515).

The spelling of 212103030303 in words is "two hundred twelve billion, one hundred three million, thirty thousand, three hundred three".