212413456 has 20 divisors (see below), whose sum is σ = 421590204. Its totient is φ = 103616000.

The previous prime is 212413433. The next prime is 212413463. The reversal of 212413456 is 654314212.

It can be written as a sum of positive squares in 2 ways, for example, as 91853056 + 120560400 = 9584^2 + 10980^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161245 + ... + 162556.

Almost surely, 2^212413456 is an apocalyptic number.

It is an amenable number.

212413456 is a deficient number, since it is larger than the sum of its proper divisors (209176748).

212413456 is a wasteful number, since it uses less digits than its factorization.

212413456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323850 (or 323844 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 212413456 is about 14574.4110001056. The cubic root of 212413456 is about 596.6605741327.

Adding to 212413456 its reverse (654314212), we get a palindrome (866727668).

The spelling of 212413456 in words is "two hundred twelve million, four hundred thirteen thousand, four hundred fifty-six".