12212201210101 has 4 divisors (see below), whose sum is σ = 12214232858304. Its totient is φ = 12210169561900.

The previous prime is 12212201210063. The next prime is 12212201210113. The reversal of 12212201210101 is 10101210221221.

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 12212201210101 - 2¹⁹ = 12212200685813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212201211101) 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, 1015815085 + ... + 1015827106.

It is an arithmetic number, because the mean of its divisors is an integer number (3053558214576).

Almost surely, 2^{12212201210101} is an apocalyptic number.

It is an amenable number.

12212201210101 is a deficient number, since it is larger than the sum of its proper divisors (2031648203).

12212201210101 is an equidigital number, since it uses as much as digits as its factorization.

12212201210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031648202.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212201210101 its reverse (10101210221221), we get a palindrome (22313411431322).

The spelling of 12212201210101 in words is "twelve trillion, two hundred twelve billion, two hundred one million, two hundred ten thousand, one hundred one".