212213144201 has 8 divisors (see below), whose sum is σ = 212557517064. Its totient is φ = 211868858880.

The previous prime is 212213144177. The next prime is 212213144279. The reversal of 212213144201 is 102441312212.

It can be written as a sum of positive squares in 4 ways, for example, as 14767110400 + 197446033801 = 121520^2 + 444349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212213144201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212213744201) 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, 6269615 + ... + 6303371.

It is an arithmetic number, because the mean of its divisors is an integer number (26569689633).

Almost surely, 2^212213144201 is an apocalyptic number.

It is an amenable number.

212213144201 is a deficient number, since it is larger than the sum of its proper divisors (344372863).

212213144201 is an equidigital number, since it uses as much as digits as its factorization.

212213144201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43771.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 212213144201 its reverse (102441312212), we get a palindrome (314654456413).

The spelling of 212213144201 in words is "two hundred twelve billion, two hundred thirteen million, one hundred forty-four thousand, two hundred one".