124421210343240 has 256 divisors, whose sum is σ = 394028643052800. Its totient is φ = 31384174080000.

The previous prime is 124421210343149. The next prime is 124421210343257. The reversal of 124421210343240 is 42343012124421.

It is a super-2 number, since 2×124421210343240² (a number of 29 digits) contains 22 as substring.

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, 52114714 + ... + 54449846.

It is an arithmetic number, because the mean of its divisors is an integer number (1539174386925).

Almost surely, 2^{124421210343240} is an apocalyptic number.

124421210343240 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 124421210343240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197014321526400).

124421210343240 is an abundant number, since it is smaller than the sum of its proper divisors (269607432709560).

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

124421210343240 is a wasteful number, since it uses less digits than its factorization.

124421210343240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335488 (or 2335484 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 124421210343240 its reverse (42343012124421), we get a palindrome (166764222467661).

The spelling of 124421210343240 in words is "one hundred twenty-four trillion, four hundred twenty-one billion, two hundred ten million, three hundred forty-three thousand, two hundred forty".