212032215 has 64 divisors (see below), whose sum is σ = 387072000. Its totient is φ = 110097792.

The previous prime is 212032213. The next prime is 212032231. The reversal of 212032215 is 512230212.

It is not a de Polignac number, because 212032215 - 2¹ = 212032213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212032213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1422961 + ... + 1423109.

It is an arithmetic number, because the mean of its divisors is an integer number (6048000).

Almost surely, 2^212032215 is an apocalyptic number.

212032215 is a deficient number, since it is larger than the sum of its proper divisors (175039785).

212032215 is a wasteful number, since it uses less digits than its factorization.

212032215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 212032215 is about 14561.3260041797. The cubic root of 212032215 is about 596.3033969821.

Adding to 212032215 its reverse (512230212), we get a palindrome (724262427).

The spelling of 212032215 in words is "two hundred twelve million, thirty-two thousand, two hundred fifteen".