12011324221342 has 8 divisors (see below), whose sum is σ = 18965248770600. Its totient is φ = 5689574631144.

The previous prime is 12011324221301. The next prime is 12011324221381. The reversal of 12011324221342 is 24312242311021.

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 12011324221342.

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, 158043739717 + ... + 158043739792.

It is an arithmetic number, because the mean of its divisors is an integer number (2370656096325).

Almost surely, 2^{12011324221342} is an apocalyptic number.

12011324221342 is a deficient number, since it is larger than the sum of its proper divisors (6953924549258).

12011324221342 is a wasteful number, since it uses less digits than its factorization.

12011324221342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316087479530.

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

Adding to 12011324221342 its reverse (24312242311021), we get a palindrome (36323566532363).

The spelling of 12011324221342 in words is "twelve trillion, eleven billion, three hundred twenty-four million, two hundred twenty-one thousand, three hundred forty-two".