12000000203112 has 16 divisors (see below), whose sum is σ = 30000000507840. Its totient is φ = 4000000067696.

The previous prime is 12000000203111. The next prime is 12000000203131. The reversal of 12000000203112 is 21130200000021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12000000203111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250000004208 + ... + 250000004255.

It is an arithmetic number, because the mean of its divisors is an integer number (1875000031740).

Almost surely, 2^{12000000203112} is an apocalyptic number.

12000000203112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12000000203112 is an abundant number, since it is smaller than the sum of its proper divisors (18000000304728).

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

12000000203112 is a wasteful number, since it uses less digits than its factorization.

12000000203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500000008472 (or 500000008468 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12000000203112 its reverse (21130200000021), we get a palindrome (33130200203133).

The spelling of 12000000203112 in words is "twelve trillion, two hundred three thousand, one hundred twelve".