43120000431000 has 256 divisors, whose sum is σ = 149499093744000. Its totient is φ = 11497403289600.

The previous prime is 43120000430999. The next prime is 43120000431017. The reversal of 43120000431000 is 13400002134.

43120000431000 is a `hidden beast` number, since 4 + 31 + 200 + 0 + 0 + 431 + 0 + 0 + 0 = 666.

It is a super-2 number, since 2×43120000431000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 259900072 + ... + 260065928.

Almost surely, 2^{43120000431000} is an apocalyptic number.

43120000431000 is a gapful number since it is divisible by the number (40) 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 43120000431000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74749546872000).

43120000431000 is an abundant number, since it is smaller than the sum of its proper divisors (106379093313000).

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

43120000431000 is a wasteful number, since it uses less digits than its factorization.

43120000431000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175516 (or 175496 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 43120000431000 its reverse (13400002134), we get a palindrome (43133400433134).

The spelling of 43120000431000 in words is "forty-three trillion, one hundred twenty billion, four hundred thirty-one thousand".