12424202120 has 128 divisors (see below), whose sum is σ = 31344122880. Its totient is φ = 4392960000.

The previous prime is 12424202107. The next prime is 12424202179. The reversal of 12424202120 is 2120242421.

It is a super-2 number, since 2×12424202120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12424202092 and 12424202101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6367145 + ... + 6369095.

It is an arithmetic number, because the mean of its divisors is an integer number (244875960).

Almost surely, 2^12424202120 is an apocalyptic number.

12424202120 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 12424202120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15672061440).

12424202120 is an abundant number, since it is smaller than the sum of its proper divisors (18919920760).

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

12424202120 is a wasteful number, since it uses less digits than its factorization.

12424202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2363 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12424202120 its reverse (2120242421), we get a palindrome (14544444541).

The spelling of 12424202120 in words is "twelve billion, four hundred twenty-four million, two hundred two thousand, one hundred twenty".