122505235250 has 16 divisors (see below), whose sum is σ = 229329800856. Its totient is φ = 49002094000.

The previous prime is 122505235243. The next prime is 122505235267. The reversal of 122505235250 is 52532505221.

It can be written as a sum of positive squares in 4 ways, for example, as 37558052401 + 84947182849 = 193799^2 + 291457^2 .

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 7 ways as a sum of consecutive naturals, for example, 245010221 + ... + 245010720.

Almost surely, 2^122505235250 is an apocalyptic number.

122505235250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122505235250 is a deficient number, since it is larger than the sum of its proper divisors (106824565606).

122505235250 is an equidigital number, since it uses as much as digits as its factorization.

122505235250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490020958 (or 490020948 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 122505235250 in words is "one hundred twenty-two billion, five hundred five million, two hundred thirty-five thousand, two hundred fifty".