212301202121201 has 4 divisors (see below), whose sum is σ = 212301268237632. Its totient is φ = 212301136004772.

The previous prime is 212301202121191. The next prime is 212301202121209. The reversal of 212301202121201 is 102121202103212.

212301202121201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-212301202121201 is a prime.

It is a super-3 number, since 3×212301202121201³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212301202121209) 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, 27981845 + ... + 34750338.

It is an arithmetic number, because the mean of its divisors is an integer number (53075317059408).

Almost surely, 2^{212301202121201} is an apocalyptic number.

It is an amenable number.

212301202121201 is a deficient number, since it is larger than the sum of its proper divisors (66116431).

212301202121201 is an equidigital number, since it uses as much as digits as its factorization.

212301202121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66116430.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 212301202121201 its reverse (102121202103212), we get a palindrome (314422404224413).

The spelling of 212301202121201 in words is "two hundred twelve trillion, three hundred one billion, two hundred two million, one hundred twenty-one thousand, two hundred one".