122240343240 has 192 divisors, whose sum is σ = 421577956800. Its totient is φ = 31839236352.

The previous prime is 122240343209. The next prime is 122240343271. The reversal of 122240343240 is 42343042221.

122240343240 is a `hidden beast` number, since 1 + 2 + 224 + 0 + 3 + 432 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (122240343209) and next prime (122240343271).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 271726 + ... + 564194.

It is an arithmetic number, because the mean of its divisors is an integer number (2195718525).

Almost surely, 2^122240343240 is an apocalyptic number.

122240343240 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 122240343240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210788978400).

122240343240 is an abundant number, since it is smaller than the sum of its proper divisors (299337613560).

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

122240343240 is a wasteful number, since it uses less digits than its factorization.

122240343240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292538 (or 292522 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 122240343240 its reverse (42343042221), we get a palindrome (164583385461).

The spelling of 122240343240 in words is "one hundred twenty-two billion, two hundred forty million, three hundred forty-three thousand, two hundred forty".