122555240244199 has 4 divisors (see below), whose sum is σ = 140063131707664. Its totient is φ = 105047348780736.

The previous prime is 122555240244167. The next prime is 122555240244223. The reversal of 122555240244199 is 991442042555221.

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 122555240244199 - 2⁵ = 122555240244167 is a prime.

It is a super-2 number, since 2×122555240244199² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555240244499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8753945731722 + ... + 8753945731735.

It is an arithmetic number, because the mean of its divisors is an integer number (35015782926916).

Almost surely, 2^{122555240244199} is an apocalyptic number.

122555240244199 is a deficient number, since it is larger than the sum of its proper divisors (17507891463465).

122555240244199 is an equidigital number, since it uses as much as digits as its factorization.

122555240244199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17507891463464.

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 122555240244199 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred forty million, two hundred forty-four thousand, one hundred ninety-nine".