212087075 has 12 divisors (see below), whose sum is σ = 263221248. Its totient is φ = 169519200.

The previous prime is 212087069. The next prime is 212087107. The reversal of 212087075 is 570780212.

It is not a de Polignac number, because 212087075 - 2⁴ = 212087059 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31454 + ... + 37596.

It is an arithmetic number, because the mean of its divisors is an integer number (21935104).

Almost surely, 2^212087075 is an apocalyptic number.

212087075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212087075 is a deficient number, since it is larger than the sum of its proper divisors (51134173).

212087075 is a wasteful number, since it uses less digits than its factorization.

212087075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7534 (or 7529 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 212087075 is about 14563.2096393618. The cubic root of 212087075 is about 596.3548205883.

The spelling of 212087075 in words is "two hundred twelve million, eighty-seven thousand, seventy-five".