122344130351240 has 256 divisors, whose sum is σ = 342801815040000. Its totient is φ = 39193666283520.

The previous prime is 122344130351203. The next prime is 122344130351243. The reversal of 122344130351240 is 42153031443221.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 122344130351240.

It is not an unprimeable number, because it can be changed into a prime (122344130351243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7374764 + ... + 17293796.

It is an arithmetic number, because the mean of its divisors is an integer number (1339069590000).

Almost surely, 2^{122344130351240} is an apocalyptic number.

122344130351240 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 122344130351240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171400907520000).

122344130351240 is an abundant number, since it is smaller than the sum of its proper divisors (220457684688760).

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

122344130351240 is a wasteful number, since it uses less digits than its factorization.

122344130351240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9919125 (or 9919107 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 122344130351240 its reverse (42153031443221), we get a palindrome (164497161794461).

The spelling of 122344130351240 in words is "one hundred twenty-two trillion, three hundred forty-four billion, one hundred thirty million, three hundred fifty-one thousand, two hundred forty".