12486642264 has 64 divisors (see below), whose sum is σ = 34759670400. Its totient is φ = 4153267872.

The previous prime is 12486642227. The next prime is 12486642331. The reversal of 12486642264 is 46224668421.

It is a super-2 number, since 2×12486642264² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38979 + ... + 162765.

It is an arithmetic number, because the mean of its divisors is an integer number (543119850).

Almost surely, 2^12486642264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12486642264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17379835200).

12486642264 is an abundant number, since it is smaller than the sum of its proper divisors (22273028136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12486642264 is a wasteful number, since it uses less digits than its factorization.

12486642264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124269 (or 124259 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The spelling of 12486642264 in words is "twelve billion, four hundred eighty-six million, six hundred forty-two thousand, two hundred sixty-four".