122171188050 has 54 divisors (see below), whose sum is σ = 328253180463. Its totient is φ = 32577006240.

The previous prime is 122171187997. The next prime is 122171188057. The reversal of 122171188050 is 50881171221.

It can be written as a sum of positive squares in 5 ways, for example, as 25427172681 + 96744015369 = 159459^2 + 311037^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247155.

It is a junction number, because it is equal to n+sod(n) for n = 122171187996 and 122171188014.

It is not an unprimeable number, because it can be changed into a prime (122171188057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7406412 + ... + 7422888.

Almost surely, 2^122171188050 is an apocalyptic number.

122171188050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122171188050 is an abundant number, since it is smaller than the sum of its proper divisors (206081992413).

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

122171188050 is an frugal number, since it uses more digits than its factorization.

122171188050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32972 (or 16487 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

The spelling of 122171188050 in words is "one hundred twenty-two billion, one hundred seventy-one million, one hundred eighty-eight thousand, fifty".