1243000224432 has 120 divisors (see below), whose sum is σ = 3513260994048. Its totient is φ = 410215766400.

The previous prime is 1243000224421. The next prime is 1243000224451. The reversal of 1243000224432 is 2344220003421.

1243000224432 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 0 + 0 + 0 + 224 + 432 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1243000224396 and 1243000224405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96268057 + ... + 96280967.

Almost surely, 2^{1243000224432} is an apocalyptic number.

1243000224432 is a gapful number since it is divisible by the number (12) 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 1243000224432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756630497024).

1243000224432 is an abundant number, since it is smaller than the sum of its proper divisors (2270260769616).

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

1243000224432 is a wasteful number, since it uses less digits than its factorization.

1243000224432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19519 (or 19510 counting only the distinct ones).

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

Adding to 1243000224432 its reverse (2344220003421), we get a palindrome (3587220227853).

The spelling of 1243000224432 in words is "one trillion, two hundred forty-three billion, two hundred twenty-four thousand, four hundred thirty-two".