122206117250047 has 4 divisors (see below), whose sum is σ = 122217068611440. Its totient is φ = 122195165888656.

The previous prime is 122206117250039. The next prime is 122206117250083. The reversal of 122206117250047 is 740052711602221.

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

It is a cyclic number.

It is not a de Polignac number, because 122206117250047 - 2³ = 122206117250039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122206117249991 and 122206117250009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122206117250447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5475663958 + ... + 5475686275.

It is an arithmetic number, because the mean of its divisors is an integer number (30554267152860).

Almost surely, 2^{122206117250047} is an apocalyptic number.

122206117250047 is a deficient number, since it is larger than the sum of its proper divisors (10951361393).

122206117250047 is a wasteful number, since it uses less digits than its factorization.

122206117250047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10951361392.

The product of its (nonzero) digits is 94080, while the sum is 40.

Adding to 122206117250047 its reverse (740052711602221), we get a palindrome (862258828852268).

The spelling of 122206117250047 in words is "one hundred twenty-two trillion, two hundred six billion, one hundred seventeen million, two hundred fifty thousand, forty-seven".