122442821500 has 48 divisors (see below), whose sum is σ = 268524992736. Its totient is φ = 48773856000.

The previous prime is 122442821489. The next prime is 122442821503. The reversal of 122442821500 is 5128244221.

It is a happy number.

122442821500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122442821503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387562 + ... + 628561.

It is an arithmetic number, because the mean of its divisors is an integer number (5594270682).

Almost surely, 2^122442821500 is an apocalyptic number.

122442821500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122442821500 is an abundant number, since it is smaller than the sum of its proper divisors (146082171236).

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

122442821500 is a wasteful number, since it uses less digits than its factorization.

122442821500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016383 (or 1016371 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The spelling of 122442821500 in words is "one hundred twenty-two billion, four hundred forty-two million, eight hundred twenty-one thousand, five hundred".