122521225000 has 192 divisors, whose sum is σ = 293709326400. Its totient is φ = 47900160000.

The previous prime is 122521224997. The next prime is 122521225019. The reversal of 122521225000 is 522125221.

It is a super-2 number, since 2×122521225000² (a number of 23 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 323274811 + ... + 323275189.

It is an arithmetic number, because the mean of its divisors is an integer number (1529736075).

Almost surely, 2^122521225000 is an apocalyptic number.

122521225000 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 122521225000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146854663200).

122521225000 is an abundant number, since it is smaller than the sum of its proper divisors (171188101400).

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

122521225000 is an equidigital number, since it uses as much as digits as its factorization.

122521225000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 122521225000 in words is "one hundred twenty-two billion, five hundred twenty-one million, two hundred twenty-five thousand".