212212222021201 has 8 divisors (see below), whose sum is σ = 219057994660608. Its totient is φ = 205366462950000.

The previous prime is 212212222021159. The next prime is 212212222021213. The reversal of 212212222021201 is 102120222212212.

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

It is a cyclic number.

It is not a de Polignac number, because 212212222021201 - 2²⁵ = 212212188466769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212212222021601) 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, 35455371 + ... + 41006191.

It is an arithmetic number, because the mean of its divisors is an integer number (27382249332576).

Almost surely, 2^{212212222021201} is an apocalyptic number.

It is an amenable number.

212212222021201 is a deficient number, since it is larger than the sum of its proper divisors (6845772639407).

212212222021201 is a wasteful number, since it uses less digits than its factorization.

212212222021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6784103.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212212222021201 its reverse (102120222212212), we get a palindrome (314332444233413).

The spelling of 212212222021201 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred twenty-two million, twenty-one thousand, two hundred one".