12000203231312 has 20 divisors (see below), whose sum is σ = 23354655623040. Its totient is φ = 5973195328608.

The previous prime is 12000203231297. The next prime is 12000203231327. The reversal of 12000203231312 is 21313230200021.

It is an interprime number because it is at equal distance from previous prime (12000203231297) and next prime (12000203231327).

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 3 ways as a sum of consecutive naturals, for example, 1681639262 + ... + 1681646397.

It is an arithmetic number, because the mean of its divisors is an integer number (1167732781152).

Almost surely, 2^{12000203231312} is an apocalyptic number.

It is an amenable number.

12000203231312 is a deficient number, since it is larger than the sum of its proper divisors (11354452391728).

12000203231312 is a wasteful number, since it uses less digits than its factorization.

12000203231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363285890 (or 3363285884 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12000203231312 its reverse (21313230200021), we get a palindrome (33313433431333).

The spelling of 12000203231312 in words is "twelve trillion, two hundred three million, two hundred thirty-one thousand, three hundred twelve".