43013155012 has 12 divisors (see below), whose sum is σ = 75305950720. Its totient is φ = 21497169096.

The previous prime is 43013155007. The next prime is 43013155049. The reversal of 43013155012 is 21055131034.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341812 + ... + 2360107.

Almost surely, 2^43013155012 is an apocalyptic number.

It is an amenable number.

43013155012 is a deficient number, since it is larger than the sum of its proper divisors (32292795708).

43013155012 is a wasteful number, since it uses less digits than its factorization.

43013155012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704210 (or 4704208 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 43013155012 its reverse (21055131034), we get a palindrome (64068286046).

It can be divided in two parts, 43013 and 155012, that added together give a square (198025 = 445²).

The spelling of 43013155012 in words is "forty-three billion, thirteen million, one hundred fifty-five thousand, twelve".