122220425000 has 96 divisors (see below), whose sum is σ = 287081625600. Its totient is φ = 48777960000.

The previous prime is 122220424979. The next prime is 122220425009. The reversal of 122220425000 is 524022221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (122220425009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11569721 + ... + 11580279.

It is an arithmetic number, because the mean of its divisors is an integer number (2990433600).

Almost surely, 2^122220425000 is an apocalyptic number.

122220425000 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 122220425000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143540812800).

122220425000 is an abundant number, since it is smaller than the sum of its proper divisors (164861200600).

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

122220425000 is an equidigital number, since it uses as much as digits as its factorization.

122220425000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11053 (or 11029 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 122220425000 its reverse (524022221), we get a palindrome (122744447221).

The spelling of 122220425000 in words is "one hundred twenty-two billion, two hundred twenty million, four hundred twenty-five thousand".