122425421200 has 120 divisors (see below), whose sum is σ = 309261116736. Its totient is φ = 46483008000.

The previous prime is 122425421189. The next prime is 122425421233. The reversal of 122425421200 is 2124524221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 23 ways as a sum of consecutive naturals, for example, 1154410 + ... + 1255990.

Almost surely, 2^122425421200 is an apocalyptic number.

122425421200 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 122425421200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154630558368).

122425421200 is an abundant number, since it is smaller than the sum of its proper divisors (186835695536).

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

122425421200 is a wasteful number, since it uses less digits than its factorization.

122425421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101753 (or 101742 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 122425421200 its reverse (2124524221), we get a palindrome (124549945421).

The spelling of 122425421200 in words is "one hundred twenty-two billion, four hundred twenty-five million, four hundred twenty-one thousand, two hundred".