12001112401142 has 4 divisors (see below), whose sum is σ = 18001668601716. Its totient is φ = 6000556200570.

The previous prime is 12001112401139. The next prime is 12001112401171. The reversal of 12001112401142 is 24110421110021.

12001112401142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000278100284 + ... + 3000278100287.

It is an arithmetic number, because the mean of its divisors is an integer number (4500417150429).

Almost surely, 2^{12001112401142} is an apocalyptic number.

12001112401142 is a deficient number, since it is larger than the sum of its proper divisors (6000556200574).

12001112401142 is an equidigital number, since it uses as much as digits as its factorization.

12001112401142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000556200573.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12001112401142 its reverse (24110421110021), we get a palindrome (36111533511163).

The spelling of 12001112401142 in words is "twelve trillion, one billion, one hundred twelve million, four hundred one thousand, one hundred forty-two".