12858265224 has 288 divisors, whose sum is σ = 42328143000. Its totient is φ = 3511517184.

The previous prime is 12858265223. The next prime is 12858265261. The reversal of 12858265224 is 42256285821.

12858265224 is a `hidden beast` number, since 1 + 2 + 8 + 582 + 65 + 2 + 2 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12660300324 + 197964900 = 112518^2 + 14070^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12858265224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12858265223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11151432 + ... + 11152584.

Almost surely, 2^12858265224 is an apocalyptic number.

12858265224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12858265224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21164071500).

12858265224 is an abundant number, since it is smaller than the sum of its proper divisors (29469877776).

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

12858265224 is a wasteful number, since it uses less digits than its factorization.

12858265224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1303 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The spelling of 12858265224 in words is "twelve billion, eight hundred fifty-eight million, two hundred sixty-five thousand, two hundred twenty-four".