12516500269 has 48 divisors (see below), whose sum is σ = 16029234480. Its totient is φ = 9684541440.

The previous prime is 12516500261. The next prime is 12516500303. The reversal of 12516500269 is 96200561521.

It can be written as a sum of positive squares in 8 ways, for example, as 4178071044 + 8338429225 = 64638^2 + 91315^2 .

It is not a de Polignac number, because 12516500269 - 2³ = 12516500261 is a prime.

It is a super-2 number, since 2×12516500269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12516500261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7498567 + ... + 7500235.

It is an arithmetic number, because the mean of its divisors is an integer number (333942385).

Almost surely, 2^12516500269 is an apocalyptic number.

It is an amenable number.

12516500269 is a deficient number, since it is larger than the sum of its proper divisors (3512734211).

12516500269 is a wasteful number, since it uses less digits than its factorization.

12516500269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 12516500269 in words is "twelve billion, five hundred sixteen million, five hundred thousand, two hundred sixty-nine".