122150651056 has 80 divisors (see below), whose sum is σ = 282356928000. Its totient is φ = 50052777984.

The previous prime is 122150650991. The next prime is 122150651057. The reversal of 122150651056 is 650156051221.

It is not an unprimeable number, because it can be changed into a prime (122150651057) 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, 6943840 + ... + 6961408.

It is an arithmetic number, because the mean of its divisors is an integer number (3529461600).

Almost surely, 2^122150651056 is an apocalyptic number.

122150651056 is a gapful number since it is divisible by the number (16) 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 122150651056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141178464000).

122150651056 is an abundant number, since it is smaller than the sum of its proper divisors (160206276944).

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

122150651056 is a wasteful number, since it uses less digits than its factorization.

122150651056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20306 (or 20300 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 122150651056 in words is "one hundred twenty-two billion, one hundred fifty million, six hundred fifty-one thousand, fifty-six".