12289511270 has 16 divisors (see below), whose sum is σ = 22207199328. Its totient is φ = 4896675840.

The previous prime is 12289511249. The next prime is 12289511287. The reversal of 12289511270 is 7211598221.

12289511270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 2388386 + ... + 2393525.

It is an arithmetic number, because the mean of its divisors is an integer number (1387949958).

Almost surely, 2^12289511270 is an apocalyptic number.

12289511270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12289511270 is a deficient number, since it is larger than the sum of its proper divisors (9917688058).

12289511270 is a wasteful number, since it uses less digits than its factorization.

12289511270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782175.

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 12289511270 in words is "twelve billion, two hundred eighty-nine million, five hundred eleven thousand, two hundred seventy".