122421320242 has 8 divisors (see below), whose sum is σ = 197757517356. Its totient is φ = 56502147792.

The previous prime is 122421320213. The next prime is 122421320269. The reversal of 122421320242 is 242023124221.

It can be written as a sum of positive squares in 2 ways, for example, as 113562934081 + 8858386161 = 336991^2 + 94119^2 .

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

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, 2354256133 + ... + 2354256184.

Almost surely, 2^122421320242 is an apocalyptic number.

122421320242 is a deficient number, since it is larger than the sum of its proper divisors (75336197114).

122421320242 is a wasteful number, since it uses less digits than its factorization.

122421320242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708512332.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 122421320242 its reverse (242023124221), we get a palindrome (364444444463).

The spelling of 122421320242 in words is "one hundred twenty-two billion, four hundred twenty-one million, three hundred twenty thousand, two hundred forty-two".