212271012 has 36 divisors (see below), whose sum is σ = 553885696. Its totient is φ = 68474160.

The previous prime is 212271011. The next prime is 212271013. The reversal of 212271012 is 210172212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212271011) and next prime (212271013).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (212271011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93988 + ... + 96219.

Almost surely, 2^212271012 is an apocalyptic number.

It is an amenable number.

212271012 is an abundant number, since it is smaller than the sum of its proper divisors (341614684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212271012 is a wasteful number, since it uses less digits than its factorization.

212271012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190248 (or 190243 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 212271012 is about 14569.5233964602. The cubic root of 212271012 is about 596.5271712154.

The spelling of 212271012 in words is "two hundred twelve million, two hundred seventy-one thousand, twelve".