212273212 has 12 divisors (see below), whose sum is σ = 374766336. Its totient is φ = 105197120.

The previous prime is 212273207. The next prime is 212273221. The reversal of 212273212 is 212372212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234364 + ... + 235267.

It is an arithmetic number, because the mean of its divisors is an integer number (31230528).

Almost surely, 2^212273212 is an apocalyptic number.

It is an amenable number.

212273212 is a deficient number, since it is larger than the sum of its proper divisors (162493124).

212273212 is a wasteful number, since it uses less digits than its factorization.

212273212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469748 (or 469746 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 212273212 is about 14569.5988963320. The cubic root of 212273212 is about 596.5292320326.

The spelling of 212273212 in words is "two hundred twelve million, two hundred seventy-three thousand, two hundred twelve".