12012034311442 has 8 divisors (see below), whose sum is σ = 19656056146032. Its totient is φ = 5460015596100.

The previous prime is 12012034311373. The next prime is 12012034311457. The reversal of 12012034311442 is 24411343021021.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12012034311442.

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, 273000779784 + ... + 273000779827.

It is an arithmetic number, because the mean of its divisors is an integer number (2457007018254).

Almost surely, 2^{12012034311442} is an apocalyptic number.

12012034311442 is a deficient number, since it is larger than the sum of its proper divisors (7644021834590).

12012034311442 is a wasteful number, since it uses less digits than its factorization.

12012034311442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546001559624.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 12012034311442 its reverse (24411343021021), we get a palindrome (36423377332463).

The spelling of 12012034311442 in words is "twelve trillion, twelve billion, thirty-four million, three hundred eleven thousand, four hundred forty-two".