12202622081 has 4 divisors (see below), whose sum is σ = 13141285332. Its totient is φ = 11263958832.

The previous prime is 12202622071. The next prime is 12202622099. The reversal of 12202622081 is 18022620221.

12202622081 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5157537856 + 7045084225 = 71816^2 + 83935^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202622081 - 2¹⁸ = 12202359937 is a prime.

It is a super-2 number, since 2×12202622081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12202622081.

It is not an unprimeable number, because it can be changed into a prime (12202622041) 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 3 ways as a sum of consecutive naturals, for example, 469331606 + ... + 469331631.

It is an arithmetic number, because the mean of its divisors is an integer number (3285321333).

Almost surely, 2^12202622081 is an apocalyptic number.

It is an amenable number.

12202622081 is a deficient number, since it is larger than the sum of its proper divisors (938663251).

12202622081 is an equidigital number, since it uses as much as digits as its factorization.

12202622081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938663250.

The product of its (nonzero) digits is 1536, while the sum is 26.

The spelling of 12202622081 in words is "twelve billion, two hundred two million, six hundred twenty-two thousand, eighty-one".