212203210 has 16 divisors (see below), whose sum is σ = 402069600. Its totient is φ = 80413776.

The previous prime is 212203193. The next prime is 212203223. The reversal of 212203210 is 12302212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558240 + ... + 558619.

It is an arithmetic number, because the mean of its divisors is an integer number (25129350).

Almost surely, 2^212203210 is an apocalyptic number.

212203210 is a deficient number, since it is larger than the sum of its proper divisors (189866390).

212203210 is a wasteful number, since it uses less digits than its factorization.

212203210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116885.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 212203210 is about 14567.1963671806. The cubic root of 212203210 is about 596.4636517206.

Adding to 212203210 its reverse (12302212), we get a palindrome (224505422).

The spelling of 212203210 in words is "two hundred twelve million, two hundred three thousand, two hundred ten".