212222412201 has 4 divisors (see below), whose sum is σ = 282963216272. Its totient is φ = 141481608132.

The previous prime is 212222412191. The next prime is 212222412211. The reversal of 212222412201 is 102214222212.

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 an interprime number because it is at equal distance from previous prime (212222412191) and next prime (212222412211).

It is not a de Polignac number, because 212222412201 - 2⁵ = 212222412169 is a prime.

It is a super-2 number, since 2×212222412201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212222412211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35370402031 + ... + 35370402036.

It is an arithmetic number, because the mean of its divisors is an integer number (70740804068).

Almost surely, 2^212222412201 is an apocalyptic number.

It is an amenable number.

212222412201 is a deficient number, since it is larger than the sum of its proper divisors (70740804071).

212222412201 is an equidigital number, since it uses as much as digits as its factorization.

212222412201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70740804070.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212222412201 its reverse (102214222212), we get a palindrome (314436634413).

The spelling of 212222412201 in words is "two hundred twelve billion, two hundred twenty-two million, four hundred twelve thousand, two hundred one".