212412365 has 32 divisors (see below), whose sum is σ = 296504064. Its totient is φ = 144368640.

The previous prime is 212412359. The next prime is 212412367. The reversal of 212412365 is 563214212.

It is a happy number.

It is not a de Polignac number, because 212412365 - 2¹⁶ = 212346829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212412367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146072 + ... + 147518.

It is an arithmetic number, because the mean of its divisors is an integer number (9265752).

Almost surely, 2^212412365 is an apocalyptic number.

It is an amenable number.

212412365 is a deficient number, since it is larger than the sum of its proper divisors (84091699).

212412365 is a wasteful number, since it uses less digits than its factorization.

212412365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637.

The product of its digits is 2880, while the sum is 26.

The square root of 212412365 is about 14574.3735714438. The cubic root of 212412365 is about 596.6595526063.

Adding to 212412365 its reverse (563214212), we get a palindrome (775626577).

The spelling of 212412365 in words is "two hundred twelve million, four hundred twelve thousand, three hundred sixty-five".