212300012 has 12 divisors (see below), whose sum is σ = 393379560. Its totient is φ = 99905856.

The previous prime is 212299991. The next prime is 212300021. The reversal of 212300012 is 210003212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212299966 and 212300002.

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, 1560962 + ... + 1561097.

It is an arithmetic number, because the mean of its divisors is an integer number (32781630).

Almost surely, 2^212300012 is an apocalyptic number.

It is an amenable number.

212300012 is a deficient number, since it is larger than the sum of its proper divisors (181079548).

212300012 is a wasteful number, since it uses less digits than its factorization.

212300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122080 (or 3122078 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 212300012 is about 14570.5185906336. The cubic root of 212300012 is about 596.5543353896.

Adding to 212300012 its reverse (210003212), we get a palindrome (422303224).

The spelling of 212300012 in words is "two hundred twelve million, three hundred thousand, twelve".