212413503 has 8 divisors (see below), whose sum is σ = 283316400. Its totient is φ = 141559808.

The previous prime is 212413499. The next prime is 212413543. The reversal of 212413503 is 305314212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212413503 - 2² = 212413499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212413503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212413543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648 + ... + 20621.

It is an arithmetic number, because the mean of its divisors is an integer number (35414550).

Almost surely, 2^212413503 is an apocalyptic number.

212413503 is a deficient number, since it is larger than the sum of its proper divisors (70902897).

212413503 is a wasteful number, since it uses less digits than its factorization.

212413503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24601.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 212413503 is about 14574.4126125206. The cubic root of 212413503 is about 596.6606181397.

Adding to 212413503 its reverse (305314212), we get a palindrome (517727715).

The spelling of 212413503 in words is "two hundred twelve million, four hundred thirteen thousand, five hundred three".