122450344240 has 80 divisors (see below), whose sum is σ = 342492721920. Its totient is φ = 39773341440.

The previous prime is 122450344223. The next prime is 122450344241. The reversal of 122450344240 is 42443054221.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (122450344241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5743606 + ... + 5764885.

It is an arithmetic number, because the mean of its divisors is an integer number (4281159024).

Almost surely, 2^122450344240 is an apocalyptic number.

122450344240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122450344240 is an abundant number, since it is smaller than the sum of its proper divisors (220042377680).

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

122450344240 is a wasteful number, since it uses less digits than its factorization.

122450344240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11508530 (or 11508524 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 122450344240 its reverse (42443054221), we get a palindrome (164893398461).

The spelling of 122450344240 in words is "one hundred twenty-two billion, four hundred fifty million, three hundred forty-four thousand, two hundred forty".