122555231530550 has 192 divisors, whose sum is σ = 287625683528064. Its totient is φ = 37810987315200.

The previous prime is 122555231530549. The next prime is 122555231530601. The reversal of 122555231530550 is 55035132555221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 237967124 + ... + 238481576.

It is an arithmetic number, because the mean of its divisors is an integer number (1498050435042).

Almost surely, 2^{122555231530550} is an apocalyptic number.

122555231530550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122555231530550 is an abundant number, since it is smaller than the sum of its proper divisors (165070451997514).

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

122555231530550 is a wasteful number, since it uses less digits than its factorization.

122555231530550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515803 (or 515798 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 44.

The spelling of 122555231530550 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-one million, five hundred thirty thousand, five hundred fifty".