122420343343142 has 16 divisors (see below), whose sum is σ = 198038044752912. Its totient is φ = 56421095354400.

The previous prime is 122420343343121. The next prime is 122420343343159. The reversal of 122420343343142 is 241343343024221.

It is a junction number, because it is equal to n+sod(n) for n = 122420343343096 and 122420343343105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3358380308 + ... + 3358416759.

It is an arithmetic number, because the mean of its divisors is an integer number (12377377797057).

Almost surely, 2^{122420343343142} is an apocalyptic number.

122420343343142 is a deficient number, since it is larger than the sum of its proper divisors (75617701409770).

122420343343142 is a wasteful number, since it uses less digits than its factorization.

122420343343142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716797783.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 122420343343142 its reverse (241343343024221), we get a palindrome (363763686367363).

The spelling of 122420343343142 in words is "one hundred twenty-two trillion, four hundred twenty billion, three hundred forty-three million, three hundred forty-three thousand, one hundred forty-two".