122612505552 has 60 divisors (see below), whose sum is σ = 343588945284. Its totient is φ = 40817925120.

The previous prime is 122612505539. The next prime is 122612505563. The reversal of 122612505552 is 255505216221.

122612505552 is a `hidden beast` number, since 1 + 22 + 61 + 25 + 0 + 5 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28844266896 + 93768238656 = 169836^2 + 306216^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 439449 + ... + 662072.

Almost surely, 2^122612505552 is an apocalyptic number.

122612505552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122612505552 is an abundant number, since it is smaller than the sum of its proper divisors (220976439732).

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

122612505552 is a wasteful number, since it uses less digits than its factorization.

122612505552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102308 (or 1102299 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 122612505552 in words is "one hundred twenty-two billion, six hundred twelve million, five hundred five thousand, five hundred fifty-two".