12011334434142 has 8 divisors (see below), whose sum is σ = 24022668868296. Its totient is φ = 4003778144712.

The previous prime is 12011334434129. The next prime is 12011334434153. The reversal of 12011334434142 is 24143443311021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12011334434142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000944536173 + ... + 1000944536184.

It is an arithmetic number, because the mean of its divisors is an integer number (3002833608537).

Almost surely, 2^{12011334434142} is an apocalyptic number.

12011334434142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12011334434142 is a wasteful number, since it uses less digits than its factorization.

12011334434142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001889072362.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 12011334434142 its reverse (24143443311021), we get a palindrome (36154777745163).

The spelling of 12011334434142 in words is "twelve trillion, eleven billion, three hundred thirty-four million, four hundred thirty-four thousand, one hundred forty-two".