43124042112 has 128 divisors (see below), whose sum is σ = 116666784000. Its totient is φ = 14109579264.

The previous prime is 43124042107. The next prime is 43124042131. The reversal of 43124042112 is 21124042134.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22949589 + ... + 22951467.

It is an arithmetic number, because the mean of its divisors is an integer number (911459250).

Almost surely, 2^43124042112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43124042112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58333392000).

43124042112 is an abundant number, since it is smaller than the sum of its proper divisors (73542741888).

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

43124042112 is a wasteful number, since it uses less digits than its factorization.

43124042112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968 (or 2956 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 43124042112 its reverse (21124042134), we get a palindrome (64248084246).

The spelling of 43124042112 in words is "forty-three billion, one hundred twenty-four million, forty-two thousand, one hundred twelve".