122545215020 has 96 divisors (see below), whose sum is σ = 276952374720. Its totient is φ = 45379952640.

The previous prime is 122545214999. The next prime is 122545215041. The reversal of 122545215020 is 20512545221.

It is a happy number.

122545215020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (122545214999) and next prime (122545215041).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17332046 + ... + 17339114.

It is an arithmetic number, because the mean of its divisors is an integer number (2884920570).

Almost surely, 2^122545215020 is an apocalyptic number.

122545215020 is a gapful number since it is divisible by the number (10) 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 122545215020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138476187360).

122545215020 is an abundant number, since it is smaller than the sum of its proper divisors (154407159700).

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

122545215020 is a wasteful number, since it uses less digits than its factorization.

122545215020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7923 (or 7921 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 122545215020 in words is "one hundred twenty-two billion, five hundred forty-five million, two hundred fifteen thousand, twenty".