122554313112550 has 48 divisors (see below), whose sum is σ = 249162396894000. Its totient is φ = 44477650236800.

The previous prime is 122554313112523. The next prime is 122554313112599. The reversal of 122554313112550 is 55211313455221.

122554313112550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218606125 + ... + 219166024.

It is an arithmetic number, because the mean of its divisors is an integer number (5190883268625).

Almost surely, 2^{122554313112550} is an apocalyptic number.

122554313112550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122554313112550 is an abundant number, since it is smaller than the sum of its proper divisors (126608083781450).

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

122554313112550 is a wasteful number, since it uses less digits than its factorization.

122554313112550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437772681 (or 437772676 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 122554313112550 its reverse (55211313455221), we get a palindrome (177765626567771).

The spelling of 122554313112550 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, three hundred thirteen million, one hundred twelve thousand, five hundred fifty".