12274585628872 has 96 divisors (see below), whose sum is σ = 26826849907200. Its totient is φ = 5249838835584.

The previous prime is 12274585628867. The next prime is 12274585628911. The reversal of 12274585628872 is 27882658547221.

It is a happy number.

It is a super-2 number, since 2×12274585628872² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12274585628798 and 12274585628807.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 892106329 + ... + 892120087.

It is an arithmetic number, because the mean of its divisors is an integer number (279446353200).

Almost surely, 2^{12274585628872} 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 12274585628872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13413424953600).

12274585628872 is an abundant number, since it is smaller than the sum of its proper divisors (14552264278328).

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

12274585628872 is a wasteful number, since it uses less digits than its factorization.

12274585628872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18243 (or 18232 counting only the distinct ones).

The product of its digits is 240844800, while the sum is 67.

The spelling of 12274585628872 in words is "twelve trillion, two hundred seventy-four billion, five hundred eighty-five million, six hundred twenty-eight thousand, eight hundred seventy-two".