12012010116 has 12 divisors (see below), whose sum is σ = 28028023632. Its totient is φ = 4004003368.

The previous prime is 12012010099. The next prime is 12012010117. The reversal of 12012010116 is 61101021021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12012010095 and 12012010104.

It is not an unprimeable number, because it can be changed into a prime (12012010117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500500410 + ... + 500500433.

It is an arithmetic number, because the mean of its divisors is an integer number (2335668636).

Almost surely, 2^12012010116 is an apocalyptic number.

It is an amenable number.

12012010116 is an abundant number, since it is smaller than the sum of its proper divisors (16016013516).

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

12012010116 is a wasteful number, since it uses less digits than its factorization.

12012010116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001000850 (or 1001000848 counting only the distinct ones).

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

Adding to 12012010116 its reverse (61101021021), we get a palindrome (73113031137).

The spelling of 12012010116 in words is "twelve billion, twelve million, ten thousand, one hundred sixteen".