212003212 has 6 divisors (see below), whose sum is σ = 371005628. Its totient is φ = 106001604.

The previous prime is 212003189. The next prime is 212003219. The reversal of 212003212 is 212300212.

It is a junction number, because it is equal to n+sod(n) for n = 212003192 and 212003201.

It is not an unprimeable number, because it can be changed into a prime (212003219) by changing a digit.

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 as a sum of consecutive naturals, namely, 26500398 + ... + 26500405.

Almost surely, 2^212003212 is an apocalyptic number.

It is an amenable number.

212003212 is a deficient number, since it is larger than the sum of its proper divisors (159002416).

212003212 is a wasteful number, since it uses less digits than its factorization.

212003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53000807 (or 53000805 counting only the distinct ones).

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

The square root of 212003212 is about 14560.3300786761. The cubic root of 212003212 is about 596.2762071263.

Adding to 212003212 its reverse (212300212), we get a palindrome (424303424).

The spelling of 212003212 in words is "two hundred twelve million, three thousand, two hundred twelve".