12212212232101 has 4 divisors (see below), whose sum is σ = 13956813979552. Its totient is φ = 10467610484652.

The previous prime is 12212212232081. The next prime is 12212212232111. The reversal of 12212212232101 is 10123221221221.

12212212232101 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 not a de Polignac number, because 12212212232101 - 2¹³ = 12212212223909 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 (12212212232111) 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, 872300873715 + ... + 872300873728.

It is an arithmetic number, because the mean of its divisors is an integer number (3489203494888).

Almost surely, 2^{12212212232101} is an apocalyptic number.

It is an amenable number.

12212212232101 is a deficient number, since it is larger than the sum of its proper divisors (1744601747451).

12212212232101 is an equidigital number, since it uses as much as digits as its factorization.

12212212232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744601747450.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12212212232101 its reverse (10123221221221), we get a palindrome (22335433453322).

The spelling of 12212212232101 in words is "twelve trillion, two hundred twelve billion, two hundred twelve million, two hundred thirty-two thousand, one hundred one".