12085219602 has 48 divisors (see below), whose sum is σ = 27210735552. Its totient is φ = 4020055920.

The previous prime is 12085219579. The next prime is 12085219633. The reversal of 12085219602 is 20691258021.

12085219602 is a `hidden beast` number, since 1 + 20 + 8 + 5 + 21 + 9 + 602 = 666.

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, 211152 + ... + 262212.

It is an arithmetic number, because the mean of its divisors is an integer number (566890324).

Almost surely, 2^12085219602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12085219602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13605367776).

12085219602 is an abundant number, since it is smaller than the sum of its proper divisors (15125515950).

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

12085219602 is an equidigital number, since it uses as much as digits as its factorization.

12085219602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51565 (or 51553 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 12085219602 in words is "twelve billion, eighty-five million, two hundred nineteen thousand, six hundred two".