12270618980 has 12 divisors (see below), whose sum is σ = 25768299900. Its totient is φ = 4908247584.

The previous prime is 12270618959. The next prime is 12270619003. The reversal of 12270618980 is 8981607221.

12270618980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4527674944 + 7742944036 = 67288^2 + 87994^2 .

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 3 ways as a sum of consecutive naturals, for example, 306765455 + ... + 306765494.

It is an arithmetic number, because the mean of its divisors is an integer number (2147358325).

Almost surely, 2^12270618980 is an apocalyptic number.

12270618980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12270618980 is an abundant number, since it is smaller than the sum of its proper divisors (13497680920).

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

12270618980 is a wasteful number, since it uses less digits than its factorization.

12270618980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613530958 (or 613530956 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 12270618980 in words is "twelve billion, two hundred seventy million, six hundred eighteen thousand, nine hundred eighty".