43243413012 has 18 divisors (see below), whose sum is σ = 109309738538. Its totient is φ = 14414470992.

The previous prime is 43243413011. The next prime is 43243413013. The reversal of 43243413012 is 21031434234.

43243413012 is a `hidden beast` number, since 4 + 3 + 243 + 413 + 0 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (43243413011) and next prime (43243413013).

It can be written as a sum of positive squares in only one way, i.e., 42437648016 + 805764996 = 206004^2 + 28386^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243413011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 600602923 + ... + 600602994.

Almost surely, 2^43243413012 is an apocalyptic number.

It is an amenable number.

43243413012 is an abundant number, since it is smaller than the sum of its proper divisors (66066325526).

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

43243413012 is a wasteful number, since it uses less digits than its factorization.

43243413012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201205927 (or 1201205922 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 43243413012 its reverse (21031434234), we get a palindrome (64274847246).

The spelling of 43243413012 in words is "forty-three billion, two hundred forty-three million, four hundred thirteen thousand, twelve".