122122343140 has 24 divisors (see below), whose sum is σ = 293093623872. Its totient is φ = 41870517600.

The previous prime is 122122343111. The next prime is 122122343143. The reversal of 122122343140 is 41343221221.

It is not an unprimeable number, because it can be changed into a prime (122122343143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436151086 + ... + 436151365.

It is an arithmetic number, because the mean of its divisors is an integer number (12212234328).

Almost surely, 2^122122343140 is an apocalyptic number.

122122343140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122343140 is an abundant number, since it is smaller than the sum of its proper divisors (170971280732).

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

122122343140 is a wasteful number, since it uses less digits than its factorization.

122122343140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872302467 (or 872302465 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 122122343140 its reverse (41343221221), we get a palindrome (163465564361).

The spelling of 122122343140 in words is "one hundred twenty-two billion, one hundred twenty-two million, three hundred forty-three thousand, one hundred forty".