212424004 has 24 divisors (see below), whose sum is σ = 401464448. Its totient is φ = 97765920.

The previous prime is 212424001. The next prime is 212424011. The reversal of 212424004 is 400424212.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (212424001) 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, 13519 + ... + 24649.

Almost surely, 2^212424004 is an apocalyptic number.

It is an amenable number.

212424004 is a deficient number, since it is larger than the sum of its proper divisors (189040444).

212424004 is a wasteful number, since it uses less digits than its factorization.

212424004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11515 (or 11513 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 212424004 is about 14574.7728627241. The cubic root of 212424004 is about 596.6704502671.

Adding to 212424004 its reverse (400424212), we get a palindrome (612848216).

The spelling of 212424004 in words is "two hundred twelve million, four hundred twenty-four thousand, four".