12202022121 has 8 divisors (see below), whose sum is σ = 16306424640. Its totient is φ = 8116150512.

The previous prime is 12202022101. The next prime is 12202022137. The reversal of 12202022121 is 12122020221.

12202022121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12202022121 - 2⁶ = 12202022057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202022121.

It is not an unprimeable number, because it can be changed into a prime (12202022101) 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 7 ways as a sum of consecutive naturals, for example, 4631190 + ... + 4633823.

It is an arithmetic number, because the mean of its divisors is an integer number (2038303080).

Almost surely, 2^12202022121 is an apocalyptic number.

It is an amenable number.

12202022121 is a deficient number, since it is larger than the sum of its proper divisors (4104402519).

12202022121 is an equidigital number, since it uses as much as digits as its factorization.

12202022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9265455.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12202022121 its reverse (12122020221), we get a palindrome (24324042342).

The spelling of 12202022121 in words is "twelve billion, two hundred two million, twenty-two thousand, one hundred twenty-one".