12012110000 has 100 divisors (see below), whose sum is σ = 31726675464. Its totient is φ = 4368000000.

The previous prime is 12012109987. The next prime is 12012110003. The reversal of 12012110000 is 1121021.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12012110000.

It is not an unprimeable number, because it can be changed into a prime (12012110003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55400 + ... + 164600.

Almost surely, 2^12012110000 is an apocalyptic number.

12012110000 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 12012110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15863337732).

12012110000 is an abundant number, since it is smaller than the sum of its proper divisors (19714565464).

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

12012110000 is a wasteful number, since it uses less digits than its factorization.

12012110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109240 (or 109219 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12012110000 its reverse (1121021), we get a palindrome (12013231021).

The spelling of 12012110000 in words is "twelve billion, twelve million, one hundred ten thousand".