212412201 has 4 divisors (see below), whose sum is σ = 283216272. Its totient is φ = 141608132.

The previous prime is 212412173. The next prime is 212412203. The reversal of 212412201 is 102214212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212412201 - 2⁷ = 212412073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212412203) 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 in 3 ways as a sum of consecutive naturals, for example, 35402031 + ... + 35402036.

It is an arithmetic number, because the mean of its divisors is an integer number (70804068).

Almost surely, 2^212412201 is an apocalyptic number.

It is an amenable number.

212412201 is a deficient number, since it is larger than the sum of its proper divisors (70804071).

212412201 is an equidigital number, since it uses as much as digits as its factorization.

212412201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70804070.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 212412201 is about 14574.3679451289. The cubic root of 212412201 is about 596.6593990494.

Adding to 212412201 its reverse (102214212), we get a palindrome (314626413).

The spelling of 212412201 in words is "two hundred twelve million, four hundred twelve thousand, two hundred one".