212240026 has 8 divisors (see below), whose sum is σ = 326125044. Its totient is φ = 103531680.

The previous prime is 212240003. The next prime is 212240069. The reversal of 212240026 is 620042212.

212240026 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132227001 + 80013025 = 11499^2 + 8945^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 212239985 and 212240012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294065 + ... + 1294228.

Almost surely, 2^212240026 is an apocalyptic number.

212240026 is a deficient number, since it is larger than the sum of its proper divisors (113885018).

212240026 is a wasteful number, since it uses less digits than its factorization.

212240026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588336.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 212240026 is about 14568.4599735181. The cubic root of 212240026 is about 596.4981440295.

Adding to 212240026 its reverse (620042212), we get a palindrome (832282238).

The spelling of 212240026 in words is "two hundred twelve million, two hundred forty thousand, twenty-six".