212113203303 has 16 divisors (see below), whose sum is σ = 287486622720. Its totient is φ = 139087906464.

The previous prime is 212113203259. The next prime is 212113203311. The reversal of 212113203303 is 303302311212.

212113203303 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 212113203303 - 2²⁸ = 211844767847 is a prime.

It is a super-2 number, since 2×212113203303² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212113203303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212113203353) 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, 1639176 + ... + 1763837.

It is an arithmetic number, because the mean of its divisors is an integer number (17967913920).

Almost surely, 2^212113203303 is an apocalyptic number.

212113203303 is a deficient number, since it is larger than the sum of its proper divisors (75373419417).

212113203303 is a wasteful number, since it uses less digits than its factorization.

212113203303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403358.

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

Adding to 212113203303 its reverse (303302311212), we get a palindrome (515415514515).

It can be divided in two parts, 212113 and 203303, that added together give a triangular number (415416 = T₉₁₁).

The spelling of 212113203303 in words is "two hundred twelve billion, one hundred thirteen million, two hundred three thousand, three hundred three".