12512540265 has 8 divisors (see below), whose sum is σ = 20020064448. Its totient is φ = 6673354800.

The previous prime is 12512540207. The next prime is 12512540273. The reversal of 12512540265 is 56204521521.

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

It is not a de Polignac number, because 12512540265 - 2¹³ = 12512532073 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417084661 + ... + 417084690.

It is an arithmetic number, because the mean of its divisors is an integer number (2502508056).

Almost surely, 2^12512540265 is an apocalyptic number.

12512540265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12512540265 is a deficient number, since it is larger than the sum of its proper divisors (7507524183).

12512540265 is an equidigital number, since it uses as much as digits as its factorization.

12512540265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834169359.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 12512540265 in words is "twelve billion, five hundred twelve million, five hundred forty thousand, two hundred sixty-five".