212000312 has 8 divisors (see below), whose sum is σ = 397500600. Its totient is φ = 106000152.

The previous prime is 212000311. The next prime is 212000323. The reversal of 212000312 is 213000212.

It is a happy number.

212000312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 212000293 and 212000302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13250012 + ... + 13250027.

It is an arithmetic number, because the mean of its divisors is an integer number (49687575).

Almost surely, 2^212000312 is an apocalyptic number.

It is an amenable number.

212000312 is a deficient number, since it is larger than the sum of its proper divisors (185500288).

212000312 is a wasteful number, since it uses less digits than its factorization.

212000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26500045 (or 26500041 counting only the distinct ones).

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

The square root of 212000312 is about 14560.2304926811. The cubic root of 212000312 is about 596.2734882856.

Adding to 212000312 its reverse (213000212), we get a palindrome (425000524).

The spelling of 212000312 in words is "two hundred twelve million, three hundred twelve", and thus it is an aban number.