12527720145 has 32 divisors (see below), whose sum is σ = 22342732800. Its totient is φ = 6660081792.

The previous prime is 12527720123. The next prime is 12527720159. The reversal of 12527720145 is 54102772521.

It is not a de Polignac number, because 12527720145 - 2¹¹ = 12527718097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105985 + ... + 190494.

It is an arithmetic number, because the mean of its divisors is an integer number (698210400).

Almost surely, 2^12527720145 is an apocalyptic number.

12527720145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12527720145 is a deficient number, since it is larger than the sum of its proper divisors (9815012655).

12527720145 is a wasteful number, since it uses less digits than its factorization.

12527720145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296806 (or 296800 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The spelling of 12527720145 in words is "twelve billion, five hundred twenty-seven million, seven hundred twenty thousand, one hundred forty-five".