422040120000 has 280 divisors, whose sum is σ = 1413057676800. Its totient is φ = 111116928000.

The previous prime is 422040119981. The next prime is 422040120041. The reversal of 422040120000 is 21040224.

It is a super-2 number, since 2×422040120000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9457741 + ... + 9502259.

It is an arithmetic number, because the mean of its divisors is an integer number (5046634560).

Almost surely, 2^422040120000 is an apocalyptic number.

422040120000 is a gapful number since it is divisible by the number (40) 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 422040120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706528838400).

422040120000 is an abundant number, since it is smaller than the sum of its proper divisors (991017556800).

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

422040120000 is an equidigital number, since it uses as much as digits as its factorization.

422040120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44633 (or 44608 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 422040120000 its reverse (21040224), we get a palindrome (422061160224).

The spelling of 422040120000 in words is "four hundred twenty-two billion, forty million, one hundred twenty thousand".