12147808270 has 64 divisors (see below), whose sum is σ = 24847119360. Its totient is φ = 4239043200.

The previous prime is 12147808249. The next prime is 12147808279. The reversal of 12147808270 is 7280874121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12147808279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1058865 + ... + 1070275.

It is an arithmetic number, because the mean of its divisors is an integer number (388236240).

Almost surely, 2^12147808270 is an apocalyptic number.

12147808270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12147808270 is an abundant number, since it is smaller than the sum of its proper divisors (12699311090).

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

12147808270 is a wasteful number, since it uses less digits than its factorization.

12147808270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11881.

The product of its (nonzero) digits is 50176, while the sum is 40.

The spelling of 12147808270 in words is "twelve billion, one hundred forty-seven million, eight hundred eight thousand, two hundred seventy".