212788275 has 48 divisors (see below), whose sum is σ = 403545600. Its totient is φ = 96917760.

The previous prime is 212788253. The next prime is 212788291. The reversal of 212788275 is 572887212.

It is not a de Polignac number, because 212788275 - 2⁵ = 212788243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187911 + ... + 189039.

It is an arithmetic number, because the mean of its divisors is an integer number (8407200).

Almost surely, 2^212788275 is an apocalyptic number.

212788275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212788275 is a deficient number, since it is larger than the sum of its proper divisors (190757325).

212788275 is a wasteful number, since it uses less digits than its factorization.

212788275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508 (or 1503 counting only the distinct ones).

The product of its digits is 125440, while the sum is 42.

The square root of 212788275 is about 14587.2641369107. The cubic root of 212788275 is about 597.0113182426.

The spelling of 212788275 in words is "two hundred twelve million, seven hundred eighty-eight thousand, two hundred seventy-five".