212232275 has 12 divisors (see below), whose sum is σ = 264113304. Its totient is φ = 169176000.

The previous prime is 212232269. The next prime is 212232287. The reversal of 212232275 is 572232212.

It is not a de Polignac number, because 212232275 - 2⁶ = 212232211 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8081 + ... + 22130.

It is an arithmetic number, because the mean of its divisors is an integer number (22009442).

Almost surely, 2^212232275 is an apocalyptic number.

212232275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212232275 is a deficient number, since it is larger than the sum of its proper divisors (51881029).

212232275 is a wasteful number, since it uses less digits than its factorization.

212232275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30502 (or 30497 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 212232275 is about 14568.1939512075. The cubic root of 212232275 is about 596.4908825757.

Adding to 212232275 its reverse (572232212), we get a palindrome (784464487).

The spelling of 212232275 in words is "two hundred twelve million, two hundred thirty-two thousand, two hundred seventy-five".