12220547756 has 12 divisors (see below), whose sum is σ = 22511535480. Its totient is φ = 5788680480.

The previous prime is 12220547741. The next prime is 12220547783. The reversal of 12220547756 is 65774502221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80398265 + ... + 80398416.

It is an arithmetic number, because the mean of its divisors is an integer number (1875961290).

Almost surely, 2^12220547756 is an apocalyptic number.

It is an amenable number.

12220547756 is a deficient number, since it is larger than the sum of its proper divisors (10290987724).

12220547756 is a wasteful number, since it uses less digits than its factorization.

12220547756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160796704 (or 160796702 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

It can be divided in two parts, 122205 and 47756, that added together give a palindrome (169961).

The spelling of 12220547756 in words is "twelve billion, two hundred twenty million, five hundred forty-seven thousand, seven hundred fifty-six".