12202022221 has 8 divisors (see below), whose sum is σ = 12922654464. Its totient is φ = 11481708480.

The previous prime is 12202022207. The next prime is 12202022233. The reversal of 12202022221 is 12222020221.

12202022221 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12202022221 is a prime.

It is a super-3 number, since 3×12202022221³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12202022195 and 12202022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202022291) 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, 1636 + ... + 156226.

It is an arithmetic number, because the mean of its divisors is an integer number (1615331808).

Almost surely, 2^12202022221 is an apocalyptic number.

It is an amenable number.

12202022221 is a deficient number, since it is larger than the sum of its proper divisors (720632243).

12202022221 is a wasteful number, since it uses less digits than its factorization.

12202022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159251.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12202022221 its reverse (12222020221), we get a palindrome (24424042442).

The spelling of 12202022221 in words is "twelve billion, two hundred two million, twenty-two thousand, two hundred twenty-one".