120342012102143 has 12 divisors (see below), whose sum is σ = 130389532266240. Its totient is φ = 111018136072896.

The previous prime is 120342012102139. The next prime is 120342012102149. The reversal of 120342012102143 is 341201210243021.

It is a happy number.

It is not a de Polignac number, because 120342012102143 - 2² = 120342012102139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120342012102149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213814838 + ... + 214376931.

It is an arithmetic number, because the mean of its divisors is an integer number (10865794355520).

Almost surely, 2^{120342012102143} is an apocalyptic number.

120342012102143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120342012102143 is a deficient number, since it is larger than the sum of its proper divisors (10047520164097).

120342012102143 is a wasteful number, since it uses less digits than its factorization.

120342012102143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428193458 (or 428193445 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 120342012102143 its reverse (341201210243021), we get a palindrome (461543222345164).

The spelling of 120342012102143 in words is "one hundred twenty trillion, three hundred forty-two billion, twelve million, one hundred two thousand, one hundred forty-three".