212071075 has 24 divisors (see below), whose sum is σ = 271924560. Its totient is φ = 163977600.

The previous prime is 212071051. The next prime is 212071081. The reversal of 212071075 is 570170212.

It is a happy number.

It is not a de Polignac number, because 212071075 - 2⁵ = 212071043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88797 + ... + 91153.

It is an arithmetic number, because the mean of its divisors is an integer number (11330190).

Almost surely, 2^212071075 is an apocalyptic number.

212071075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212071075 is a deficient number, since it is larger than the sum of its proper divisors (59853485).

212071075 is a wasteful number, since it uses less digits than its factorization.

212071075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 212071075 is about 14562.6602995469. The cubic root of 212071075 is about 596.3398237337.

The spelling of 212071075 in words is "two hundred twelve million, seventy-one thousand, seventy-five".