12208709880 has 64 divisors (see below), whose sum is σ = 40695703200. Its totient is φ = 3255655680.

The previous prime is 12208709861. The next prime is 12208709893. The reversal of 12208709880 is 8890780221.

It is a happy number.

12208709880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12208709880² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5651101 + ... + 5653260.

Almost surely, 2^12208709880 is an apocalyptic number.

12208709880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12208709880 is an abundant number, since it is smaller than the sum of its proper divisors (28486993320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12208709880 is a wasteful number, since it uses less digits than its factorization.

12208709880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304381 (or 11304371 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 12208709880 in words is "twelve billion, two hundred eight million, seven hundred nine thousand, eight hundred eighty".