12765012501 has 8 divisors (see below), whose sum is σ = 17115101280. Its totient is φ = 8462466032.

The previous prime is 12765012487. The next prime is 12765012503. The reversal of 12765012501 is 10521056721.

12765012501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12765012501 - 2¹³ = 12765004309 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12765012503) 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 7 ways as a sum of consecutive naturals, for example, 11884950 + ... + 11886023.

It is an arithmetic number, because the mean of its divisors is an integer number (2139387660).

Almost surely, 2^12765012501 is an apocalyptic number.

It is an amenable number.

12765012501 is a deficient number, since it is larger than the sum of its proper divisors (4350088779).

12765012501 is a wasteful number, since it uses less digits than its factorization.

12765012501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23771155.

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 12765012501 in words is "twelve billion, seven hundred sixty-five million, twelve thousand, five hundred one".