12858845580 has 504 divisors, whose sum is σ = 48355544160. Its totient is φ = 2860945920.

The previous prime is 12858845569. The next prime is 12858845591. The reversal of 12858845580 is 8554885821.

12858845580 is a `hidden beast` number, since 1 + 2 + 8 + 5 + 8 + 84 + 558 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12858845569) and next prime (12858845591).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 29291001 + ... + 29291439.

It is an arithmetic number, because the mean of its divisors is an integer number (95943540).

Almost surely, 2^12858845580 is an apocalyptic number.

12858845580 is a gapful number since it is divisible by the number (10) 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 12858845580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24177772080).

12858845580 is an abundant number, since it is smaller than the sum of its proper divisors (35496698580).

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

12858845580 is a wasteful number, since it uses less digits than its factorization.

12858845580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 4096000, while the sum is 54.

The spelling of 12858845580 in words is "twelve billion, eight hundred fifty-eight million, eight hundred forty-five thousand, five hundred eighty".