212213030201 has 4 divisors (see below), whose sum is σ = 221439683712. Its totient is φ = 202986376692.

The previous prime is 212213030179. The next prime is 212213030209. The reversal of 212213030201 is 102030312212.

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 212213030201 - 2³⁴ = 195033161017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212213030201.

It is not an unprimeable number, because it can be changed into a prime (212213030209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4613326721 + ... + 4613326766.

It is an arithmetic number, because the mean of its divisors is an integer number (55359920928).

Almost surely, 2^212213030201 is an apocalyptic number.

It is an amenable number.

212213030201 is a deficient number, since it is larger than the sum of its proper divisors (9226653511).

212213030201 is an equidigital number, since it uses as much as digits as its factorization.

212213030201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9226653510.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212213030201 its reverse (102030312212), we get a palindrome (314243342413).

The spelling of 212213030201 in words is "two hundred twelve billion, two hundred thirteen million, thirty thousand, two hundred one".