212725115 has 8 divisors (see below), whose sum is σ = 255422688. Its totient is φ = 170078400.

The previous prime is 212725103. The next prime is 212725133. The reversal of 212725115 is 511527212.

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

It is not a de Polignac number, because 212725115 - 2¹⁰ = 212724091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2807 + ... + 20816.

It is an arithmetic number, because the mean of its divisors is an integer number (31927836).

Almost surely, 2^212725115 is an apocalyptic number.

212725115 is a deficient number, since it is larger than the sum of its proper divisors (42697573).

212725115 is a wasteful number, since it uses less digits than its factorization.

212725115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25429.

The product of its digits is 1400, while the sum is 26.

The square root of 212725115 is about 14585.0990740550. The cubic root of 212725115 is about 596.9522439253.

The spelling of 212725115 in words is "two hundred twelve million, seven hundred twenty-five thousand, one hundred fifteen".