122331440000 has 480 divisors, whose sum is σ = 386598092760. Its totient is φ = 38115840000.

The previous prime is 122331439999. The next prime is 122331440009. The reversal of 122331440000 is 44133221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122331440009) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 43118582 + ... + 43121418.

Almost surely, 2^122331440000 is an apocalyptic number.

122331440000 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 122331440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193299046380).

122331440000 is an abundant number, since it is smaller than the sum of its proper divisors (264266652760).

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

122331440000 is an equidigital number, since it uses as much as digits as its factorization.

122331440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 122331440000 its reverse (44133221), we get a palindrome (122375573221).

The spelling of 122331440000 in words is "one hundred twenty-two billion, three hundred thirty-one million, four hundred forty thousand".