122345045101042 has 4 divisors (see below), whose sum is σ = 183517567651566. Its totient is φ = 61172522550520.

The previous prime is 122345045101021. The next prime is 122345045101051. The reversal of 122345045101042 is 240101540543221.

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

It can be written as a sum of positive squares in only one way, i.e., 111838429486161 + 10506615614881 = 10575369^2 + 3241391^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122345045100989 and 122345045101007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30586261275259 + ... + 30586261275262.

Almost surely, 2^{122345045101042} is an apocalyptic number.

122345045101042 is a deficient number, since it is larger than the sum of its proper divisors (61172522550524).

122345045101042 is an equidigital number, since it uses as much as digits as its factorization.

122345045101042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61172522550523.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 122345045101042 its reverse (240101540543221), we get a palindrome (362446585644263).

The spelling of 122345045101042 in words is "one hundred twenty-two trillion, three hundred forty-five billion, forty-five million, one hundred one thousand, forty-two".