12765005211 has 8 divisors (see below), whose sum is σ = 19451436544. Its totient is φ = 7294288680.

The previous prime is 12765005173. The next prime is 12765005261. The reversal of 12765005211 is 11250056721.

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

It is not a de Polignac number, because 12765005211 - 2⁶ = 12765005147 is a prime.

It is a super-3 number, since 3×12765005211³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12765005261) by changing a digit.

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, 303928675 + ... + 303928716.

It is an arithmetic number, because the mean of its divisors is an integer number (2431429568).

Almost surely, 2^12765005211 is an apocalyptic number.

12765005211 is a deficient number, since it is larger than the sum of its proper divisors (6686431333).

12765005211 is an equidigital number, since it uses as much as digits as its factorization.

12765005211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607857401.

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

The spelling of 12765005211 in words is "twelve billion, seven hundred sixty-five million, five thousand, two hundred eleven".