122315403120242 has 16 divisors (see below), whose sum is σ = 183491562777432. Its totient is φ = 61151549184000.

The previous prime is 122315403120217. The next prime is 122315403120271. The reversal of 122315403120242 is 242021304513221.

It can be written as a sum of positive squares in 4 ways, for example, as 120303626826601 + 2011776293641 = 10968301^2 + 1418371^2 .

It is a super-2 number, since 2×122315403120242² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122315403120199 and 122315403120208.

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, 1102113458 + ... + 1102224434.

Almost surely, 2^{122315403120242} is an apocalyptic number.

122315403120242 is a deficient number, since it is larger than the sum of its proper divisors (61176159657190).

122315403120242 is a wasteful number, since it uses less digits than its factorization.

122315403120242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161453.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 122315403120242 its reverse (242021304513221), we get a palindrome (364336707633463).

The spelling of 122315403120242 in words is "one hundred twenty-two trillion, three hundred fifteen billion, four hundred three million, one hundred twenty thousand, two hundred forty-two".