12010021116 has 96 divisors (see below), whose sum is σ = 29753837568. Its totient is φ = 3764916480.

The previous prime is 12010021043. The next prime is 12010021151. The reversal of 12010021116 is 61112001021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12010021095 and 12010021104.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 2106766 + ... + 2112458.

It is an arithmetic number, because the mean of its divisors is an integer number (309935808).

Almost surely, 2^12010021116 is an apocalyptic number.

It is an amenable number.

12010021116 is an abundant number, since it is smaller than the sum of its proper divisors (17743816452).

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

12010021116 is a wasteful number, since it uses less digits than its factorization.

12010021116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891 (or 5889 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12010021116 its reverse (61112001021), we get a palindrome (73122022137).

The spelling of 12010021116 in words is "twelve billion, ten million, twenty-one thousand, one hundred sixteen".