122055443550 has 36 divisors (see below), whose sum is σ = 327922292880. Its totient is φ = 32548118160.

The previous prime is 122055443443. The next prime is 122055443561. The reversal of 122055443550 is 55344550221.

122055443550 is a `hidden beast` number, since 1 + 2 + 20 + 554 + 4 + 35 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 135616710 + ... + 135617609.

It is an arithmetic number, because the mean of its divisors is an integer number (9108952580).

Almost surely, 2^122055443550 is an apocalyptic number.

122055443550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122055443550 is an abundant number, since it is smaller than the sum of its proper divisors (205866849330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122055443550 is a wasteful number, since it uses less digits than its factorization.

122055443550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271234337 (or 271234329 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 122055443550 its reverse (55344550221), we get a palindrome (177399993771).

The spelling of 122055443550 in words is "one hundred twenty-two billion, fifty-five million, four hundred forty-three thousand, five hundred fifty".