212424526 has 16 divisors (see below), whose sum is σ = 328774320. Its totient is φ = 102870720.

The previous prime is 212424517. The next prime is 212424529. The reversal of 212424526 is 625424212.

It is a junction number, because it is equal to n+sod(n) for n = 212424494 and 212424503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212424529) 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, 2080 + ... + 20716.

It is an arithmetic number, because the mean of its divisors is an integer number (20548395).

Almost surely, 2^212424526 is an apocalyptic number.

212424526 is a deficient number, since it is larger than the sum of its proper divisors (116349794).

212424526 is a wasteful number, since it uses less digits than its factorization.

212424526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18819.

The product of its digits is 7680, while the sum is 28.

The square root of 212424526 is about 14574.7907703679. The cubic root of 212424526 is about 596.6709390093.

Adding to 212424526 its reverse (625424212), we get a palindrome (837848738).

The spelling of 212424526 in words is "two hundred twelve million, four hundred twenty-four thousand, five hundred twenty-six".