43120431200 has 324 divisors, whose sum is σ = 134613360756. Its totient is φ = 13438656000.

The previous prime is 43120431199. The next prime is 43120431251. The reversal of 43120431200 is 213402134.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 4738655 + ... + 4747745.

Almost surely, 2^43120431200 is an apocalyptic number.

43120431200 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 43120431200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67306680378).

43120431200 is an abundant number, since it is smaller than the sum of its proper divisors (91492929556).

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

43120431200 is a wasteful number, since it uses less digits than its factorization.

43120431200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9147 (or 9116 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43120431200 its reverse (213402134), we get a palindrome (43333833334).

The spelling of 43120431200 in words is "forty-three billion, one hundred twenty million, four hundred thirty-one thousand, two hundred".