12002011100 has 18 divisors (see below), whose sum is σ = 26044364304. Its totient is φ = 4800804400.

The previous prime is 12002011097. The next prime is 12002011157. The reversal of 12002011100 is 111020021.

12002011100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60009956 + ... + 60010155.

It is an arithmetic number, because the mean of its divisors is an integer number (1446909128).

Almost surely, 2^12002011100 is an apocalyptic number.

12002011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002011100 is an abundant number, since it is smaller than the sum of its proper divisors (14042353204).

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

12002011100 is a wasteful number, since it uses less digits than its factorization.

12002011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120020125 (or 120020118 counting only the distinct ones).

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

Adding to 12002011100 its reverse (111020021), we get a palindrome (12113031121).

The spelling of 12002011100 in words is "twelve billion, two million, eleven thousand, one hundred".