12042111324312 has 96 divisors (see below), whose sum is σ = 33234942124800. Its totient is φ = 3937899229632.

The previous prime is 12042111324239. The next prime is 12042111324377. The reversal of 12042111324312 is 21342311124021.

12042111324312 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 21 + 1 + 1 + 324 + 312 = 666.

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, 841668 + ... + 4979219.

It is an arithmetic number, because the mean of its divisors is an integer number (346197313800).

Almost surely, 2^{12042111324312} is an apocalyptic number.

12042111324312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12042111324312 is an abundant number, since it is smaller than the sum of its proper divisors (21192830800488).

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

12042111324312 is a wasteful number, since it uses less digits than its factorization.

12042111324312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821445 (or 5821438 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 12042111324312 its reverse (21342311124021), we get a palindrome (33384422448333).

The spelling of 12042111324312 in words is "twelve trillion, forty-two billion, one hundred eleven million, three hundred twenty-four thousand, three hundred twelve".