212300001 has 8 divisors (see below), whose sum is σ = 314518560. Its totient is φ = 141533316.

The previous prime is 212299991. The next prime is 212300021. The reversal of 212300001 is 100003212.

It is a happy number.

212300001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212300001 - 2⁶ = 212299937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (212300021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3931455 + ... + 3931508.

It is an arithmetic number, because the mean of its divisors is an integer number (39314820).

Almost surely, 2^212300001 is an apocalyptic number.

It is an amenable number.

212300001 is a deficient number, since it is larger than the sum of its proper divisors (102218559).

212300001 is an equidigital number, since it uses as much as digits as its factorization.

212300001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862972 (or 7862966 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 212300001 is about 14570.5182131591. The cubic root of 212300001 is about 596.5543250864.

Adding to 212300001 its reverse (100003212), we get a palindrome (312303213).

The spelling of 212300001 in words is "two hundred twelve million, three hundred thousand, one".