212023025 has 12 divisors (see below), whose sum is σ = 266512332. Its totient is φ = 167293440.

The previous prime is 212023003. The next prime is 212023079. The reversal of 212023025 is 520320212.

It can be written as a sum of positive squares in 6 ways, for example, as 11404129 + 200618896 = 3377^2 + 14164^2 .

It is a de Polignac number, because none of the positive numbers 2^k-212023025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212022994 and 212023012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56264 + ... + 59913.

It is an arithmetic number, because the mean of its divisors is an integer number (22209361).

Almost surely, 2^212023025 is an apocalyptic number.

212023025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212023025 is a deficient number, since it is larger than the sum of its proper divisors (54489307).

212023025 is a wasteful number, since it uses less digits than its factorization.

212023025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116260 (or 116255 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 212023025 is about 14561.0104388397. The cubic root of 212023025 is about 596.2947817702.

Adding to 212023025 its reverse (520320212), we get a palindrome (732343237).

The spelling of 212023025 in words is "two hundred twelve million, twenty-three thousand, twenty-five".