12520720270 has 32 divisors (see below), whose sum is σ = 22863928320. Its totient is φ = 4935933600.

The previous prime is 12520720259. The next prime is 12520720271. The reversal of 12520720270 is 7202702521.

12520720270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520720271) by changing a digit.

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, 430695 + ... + 458845.

It is an arithmetic number, because the mean of its divisors is an integer number (714497760).

Almost surely, 2^12520720270 is an apocalyptic number.

12520720270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12520720270 is a deficient number, since it is larger than the sum of its proper divisors (10343208050).

12520720270 is a wasteful number, since it uses less digits than its factorization.

12520720270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28800.

The product of its (nonzero) digits is 3920, while the sum is 28.

The spelling of 12520720270 in words is "twelve billion, five hundred twenty million, seven hundred twenty thousand, two hundred seventy".