122685780048 has 80 divisors (see below), whose sum is σ = 352328449536. Its totient is φ = 36531740160.

The previous prime is 122685779969. The next prime is 122685780071. The reversal of 122685780048 is 840087586221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3151815 + ... + 3190502.

Almost surely, 2^122685780048 is an apocalyptic number.

It is an amenable number.

122685780048 is an abundant number, since it is smaller than the sum of its proper divisors (229642669488).

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

122685780048 is a wasteful number, since it uses less digits than its factorization.

122685780048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342372 (or 6342366 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 122685780048 in words is "one hundred twenty-two billion, six hundred eighty-five million, seven hundred eighty thousand, forty-eight".