12775012515140 has 24 divisors (see below), whose sum is σ = 28405616063832. Its totient is φ = 4809416476160.

The previous prime is 12775012515121. The next prime is 12775012515197. The reversal of 12775012515140 is 4151521057721.

12775012515140 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 4 ways, for example, as 79858238464 + 12695154276676 = 282592^2 + 3563026^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18786782771 + ... + 18786783450.

It is an arithmetic number, because the mean of its divisors is an integer number (1183567335993).

Almost surely, 2^{12775012515140} is an apocalyptic number.

12775012515140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12775012515140 is an abundant number, since it is smaller than the sum of its proper divisors (15630603548692).

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

12775012515140 is a wasteful number, since it uses less digits than its factorization.

12775012515140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37573566247 (or 37573566245 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 41.

The spelling of 12775012515140 in words is "twelve trillion, seven hundred seventy-five billion, twelve million, five hundred fifteen thousand, one hundred forty".