12202261211 has 6 divisors (see below), whose sum is σ = 14194467180. Its totient is φ = 10459080996.

The previous prime is 12202261189. The next prime is 12202261229. The reversal of 12202261211 is 11216220221.

It is not a de Polignac number, because 12202261211 - 2⁶ = 12202261147 is a prime.

It is a super-2 number, since 2×12202261211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12202281211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124512821 + ... + 124512918.

It is an arithmetic number, because the mean of its divisors is an integer number (2365744530).

Almost surely, 2^12202261211 is an apocalyptic number.

12202261211 is a deficient number, since it is larger than the sum of its proper divisors (1992205969).

12202261211 is an equidigital number, since it uses as much as digits as its factorization.

12202261211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249025753 (or 249025746 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12202261211 its reverse (11216220221), we get a palindrome (23418481432).

The spelling of 12202261211 in words is "twelve billion, two hundred two million, two hundred sixty-one thousand, two hundred eleven".