212342265 has 24 divisors (see below), whose sum is σ = 368751240. Its totient is φ = 113036544.

The previous prime is 212342261. The next prime is 212342293. The reversal of 212342265 is 562243212.

It is a happy number.

212342265 is digitally balanced in base 2, 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 4 ways, for example, as 28224 + 212314041 = 168^2 + 14571^2 .

It is not a de Polignac number, because 212342265 - 2² = 212342261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212342261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21459 + ... + 29751.

It is an arithmetic number, because the mean of its divisors is an integer number (15364635).

Almost surely, 2^212342265 is an apocalyptic number.

It is an amenable number.

212342265 is a deficient number, since it is larger than the sum of its proper divisors (156408975).

212342265 is a wasteful number, since it uses less digits than its factorization.

212342265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873 (or 8870 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 212342265 is about 14571.9684668887. The cubic root of 212342265 is about 596.5939091639.

Adding to 212342265 its reverse (562243212), we get a palindrome (774585477).

The spelling of 212342265 in words is "two hundred twelve million, three hundred forty-two thousand, two hundred sixty-five".