122352172488 has 540 divisors, whose sum is σ = 434552278545. Its totient is φ = 32055004800.

The previous prime is 122352172469. The next prime is 122352172517. The reversal of 122352172488 is 884271253221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

122352172488 is a `hidden beast` number, since 1 + 2 + 23 + 521 + 7 + 24 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 104614727364 + 17737445124 = 323442^2 + 133182^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247338.

It is a super-2 number, since 2×122352172488² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 810279213 + ... + 810279363.

Almost surely, 2^122352172488 is an apocalyptic number.

122352172488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122352172488

122352172488 is an abundant number, since it is smaller than the sum of its proper divisors (312200106057).

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

122352172488 is a wasteful number, since it uses less digits than its factorization.

122352172488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 176 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 122352172488 in words is "one hundred twenty-two billion, three hundred fifty-two million, one hundred seventy-two thousand, four hundred eighty-eight".