122043040140 has 192 divisors, whose sum is σ = 395818795008. Its totient is φ = 27520819200.

The previous prime is 122043040123. The next prime is 122043040183. The reversal of 122043040140 is 41040340221.

It is a super-2 number, since 2×122043040140² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9648220 + ... + 9660860.

It is an arithmetic number, because the mean of its divisors is an integer number (2061556224).

Almost surely, 2^122043040140 is an apocalyptic number.

122043040140 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 122043040140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197909397504).

122043040140 is an abundant number, since it is smaller than the sum of its proper divisors (273775754868).

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

122043040140 is a wasteful number, since it uses less digits than its factorization.

122043040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12968 (or 12966 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 122043040140 its reverse (41040340221), we get a palindrome (163083380361).

The spelling of 122043040140 in words is "one hundred twenty-two billion, forty-three million, forty thousand, one hundred forty".