212424421203 has 12 divisors (see below), whose sum is σ = 307374536040. Its totient is φ = 141367391136.

The previous prime is 212424421199. The next prime is 212424421207. The reversal of 212424421203 is 302124424212.

It is a happy number.

212424421203 is a `hidden beast` number, since 2 + 12 + 4 + 2 + 442 + 1 + 203 = 666.

It is an interprime number because it is at equal distance from previous prime (212424421199) and next prime (212424421207).

It is not a de Polignac number, because 212424421203 - 2² = 212424421199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212424421207) 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, 20735401 + ... + 20745642.

It is an arithmetic number, because the mean of its divisors is an integer number (25614544670).

Almost surely, 2^212424421203 is an apocalyptic number.

212424421203 is a deficient number, since it is larger than the sum of its proper divisors (94950114837).

212424421203 is a wasteful number, since it uses less digits than its factorization.

212424421203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41481618 (or 41481615 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 212424421203 its reverse (302124424212), we get a palindrome (514548845415).

The spelling of 212424421203 in words is "two hundred twelve billion, four hundred twenty-four million, four hundred twenty-one thousand, two hundred three".