43043004031012 has 12 divisors (see below), whose sum is σ = 75387151275660. Its totient is φ = 21503817952256.

The previous prime is 43043004031007. The next prime is 43043004031061. The reversal of 43043004031012 is 21013040034034.

It can be written as a sum of positive squares in 2 ways, for example, as 33660140613696 + 9382863417316 = 5801736^2 + 3063146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4421010337 + ... + 4421020072.

It is an arithmetic number, because the mean of its divisors is an integer number (6282262606305).

Almost surely, 2^{43043004031012} is an apocalyptic number.

It is an amenable number.

43043004031012 is a deficient number, since it is larger than the sum of its proper divisors (32344147244648).

43043004031012 is a wasteful number, since it uses less digits than its factorization.

43043004031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8842031630 (or 8842031628 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 43043004031012 its reverse (21013040034034), we get a palindrome (64056044065046).

The spelling of 43043004031012 in words is "forty-three trillion, forty-three billion, four million, thirty-one thousand, twelve".