12424211032420 has 72 divisors (see below), whose sum is σ = 28962309580344. Its totient is φ = 4473163200000.

The previous prime is 12424211032417. The next prime is 12424211032459. The reversal of 12424211032420 is 2423011242421.

It can be written as a sum of positive squares in 4 ways, for example, as 7801642232164 + 4622568800256 = 2793142^2 + 2150016^2 .

It is a super-2 number, since 2×12424211032420² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25171281 + ... + 25660120.

It is an arithmetic number, because the mean of its divisors is an integer number (402254299727).

Almost surely, 2^{12424211032420} is an apocalyptic number.

12424211032420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12424211032420 is an abundant number, since it is smaller than the sum of its proper divisors (16538098547924).

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

12424211032420 is a wasteful number, since it uses less digits than its factorization.

12424211032420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50831533 (or 50831520 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 12424211032420 its reverse (2423011242421), we get a palindrome (14847222274841).

The spelling of 12424211032420 in words is "twelve trillion, four hundred twenty-four billion, two hundred eleven million, thirty-two thousand, four hundred twenty".