12028315860 has 192 divisors, whose sum is σ = 40881335040. Its totient is φ = 2911818240.

The previous prime is 12028315843. The next prime is 12028315861. The reversal of 12028315860 is 6851382021.

It is a happy number.

12028315860 is a `hidden beast` number, since 1 + 20 + 28 + 31 + 586 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12028315861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7346962 + ... + 7348598.

It is an arithmetic number, because the mean of its divisors is an integer number (212923620).

Almost surely, 2^12028315860 is an apocalyptic number.

12028315860 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 12028315860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20440667520).

12028315860 is an abundant number, since it is smaller than the sum of its proper divisors (28853019180).

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

12028315860 is a wasteful number, since it uses less digits than its factorization.

12028315860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903 (or 2895 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

Adding to 12028315860 its reverse (6851382021), we get a palindrome (18879697881).

The spelling of 12028315860 in words is "twelve billion, twenty-eight million, three hundred fifteen thousand, eight hundred sixty".