12000121032312 has 96 divisors (see below), whose sum is σ = 37143903888000. Its totient is φ = 3428543967552.

The previous prime is 12000121032269. The next prime is 12000121032323. The reversal of 12000121032312 is 21323012100021.

12000121032312 is a `hidden beast` number, since 1 + 200 + 0 + 121 + 0 + 32 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32627023 + ... + 32992769.

It is an arithmetic number, because the mean of its divisors is an integer number (386915665500).

Almost surely, 2^{12000121032312} is an apocalyptic number.

12000121032312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12000121032312 is an abundant number, since it is smaller than the sum of its proper divisors (25143782855688).

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

12000121032312 is a wasteful number, since it uses less digits than its factorization.

12000121032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430865 (or 430858 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12000121032312 its reverse (21323012100021), we get a palindrome (33323133132333).

The spelling of 12000121032312 in words is "twelve trillion, one hundred twenty-one million, thirty-two thousand, three hundred twelve".