122755006000 has 80 divisors (see below), whose sum is σ = 323805444768. Its totient is φ = 44638176000.

The previous prime is 122755005949. The next prime is 122755006009. The reversal of 122755006000 is 600557221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 122755006000.

It is not an unprimeable number, because it can be changed into a prime (122755006009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2767887 + ... + 2811886.

Almost surely, 2^122755006000 is an apocalyptic number.

122755006000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122755006000 is an abundant number, since it is smaller than the sum of its proper divisors (201050438768).

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

122755006000 is a wasteful number, since it uses less digits than its factorization.

122755006000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579807 (or 5579791 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 122755006000 in words is "one hundred twenty-two billion, seven hundred fifty-five million, six thousand".