212440323303 has 12 divisors (see below), whose sum is σ = 330462725320. Its totient is φ = 130732506576.

The previous prime is 212440323301. The next prime is 212440323307. The reversal of 212440323303 is 303323044212.

212440323303 is a `hidden beast` number, since 2 + 1 + 24 + 403 + 233 + 0 + 3 = 666.

It is not a de Polignac number, because 212440323303 - 2¹ = 212440323301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212440323301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 907864513 + ... + 907864746.

Almost surely, 2^212440323303 is an apocalyptic number.

212440323303 is a deficient number, since it is larger than the sum of its proper divisors (118022402017).

212440323303 is a wasteful number, since it uses less digits than its factorization.

212440323303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815729278 (or 1815729275 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 212440323303 its reverse (303323044212), we get a palindrome (515763367515).

The spelling of 212440323303 in words is "two hundred twelve billion, four hundred forty million, three hundred twenty-three thousand, three hundred three".