122056421250 has 80 divisors (see below), whose sum is σ = 307239276960. Its totient is φ = 32314080000.

The previous prime is 122056421243. The next prime is 122056421281. The reversal of 122056421250 is 52124650221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 404170 + ... + 638330.

It is an arithmetic number, because the mean of its divisors is an integer number (3840490962).

Almost surely, 2^122056421250 is an apocalyptic number.

122056421250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122056421250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153619638480).

122056421250 is an abundant number, since it is smaller than the sum of its proper divisors (185182855710).

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

122056421250 is a wasteful number, since it uses less digits than its factorization.

122056421250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234325 (or 234310 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 122056421250 in words is "one hundred twenty-two billion, fifty-six million, four hundred twenty-one thousand, two hundred fifty".