122120434342 has 4 divisors (see below), whose sum is σ = 183180651516. Its totient is φ = 61060217170.

The previous prime is 122120434327. The next prime is 122120434351. The reversal of 122120434342 is 243434021221.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122120434342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530108584 + ... + 30530108587.

It is an arithmetic number, because the mean of its divisors is an integer number (45795162879).

Almost surely, 2^122120434342 is an apocalyptic number.

122120434342 is a deficient number, since it is larger than the sum of its proper divisors (61060217174).

122120434342 is an equidigital number, since it uses as much as digits as its factorization.

122120434342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61060217173.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 122120434342 its reverse (243434021221), we get a palindrome (365554455563).

The spelling of 122120434342 in words is "one hundred twenty-two billion, one hundred twenty million, four hundred thirty-four thousand, three hundred forty-two".