12122140342 has 8 divisors (see below), whose sum is σ = 19581919056. Its totient is φ = 5594833992.

The previous prime is 12122140333. The next prime is 12122140357. The reversal of 12122140342 is 24304122121.

12122140342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12122140342² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233118058 + ... + 233118109.

It is an arithmetic number, because the mean of its divisors is an integer number (2447739882).

Almost surely, 2^12122140342 is an apocalyptic number.

12122140342 is a deficient number, since it is larger than the sum of its proper divisors (7459778714).

12122140342 is a wasteful number, since it uses less digits than its factorization.

12122140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466236182.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12122140342 its reverse (24304122121), we get a palindrome (36426262463).

The spelling of 12122140342 in words is "twelve billion, one hundred twenty-two million, one hundred forty thousand, three hundred forty-two".