212077075 has 24 divisors (see below), whose sum is σ = 307543808. Its totient is φ = 142037280.

The previous prime is 212077039. The next prime is 212077097. The reversal of 212077075 is 570770212.

It is not a de Polignac number, because 212077075 - 2¹⁷ = 211946003 is a prime.

It is a Duffinian number.

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, 6567 + ... + 21616.

Almost surely, 2^212077075 is an apocalyptic number.

212077075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212077075 is a deficient number, since it is larger than the sum of its proper divisors (95466733).

212077075 is a wasteful number, since it uses less digits than its factorization.

212077075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28243 (or 28238 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 212077075 is about 14562.8663044059. The cubic root of 212077075 is about 596.3454476426.

It can be divided in two parts, 21207 and 7075, that added together give a palindrome (28282).

The spelling of 212077075 in words is "two hundred twelve million, seventy-seven thousand, seventy-five".