12279827252 has 48 divisors (see below), whose sum is σ = 26972265600. Its totient is φ = 4752220800.

The previous prime is 12279827173. The next prime is 12279827257. The reversal of 12279827252 is 25272897221.

It is a junction number, because it is equal to n+sod(n) for n = 12279827197 and 12279827206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12279827257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87899 + ... + 179682.

It is an arithmetic number, because the mean of its divisors is an integer number (561922200).

Almost surely, 2^12279827252 is an apocalyptic number.

It is an amenable number.

12279827252 is an abundant number, since it is smaller than the sum of its proper divisors (14692438348).

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

12279827252 is a wasteful number, since it uses less digits than its factorization.

12279827252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267752 (or 267750 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The spelling of 12279827252 in words is "twelve billion, two hundred seventy-nine million, eight hundred twenty-seven thousand, two hundred fifty-two".