43012220996 has 6 divisors (see below), whose sum is σ = 75271386750. Its totient is φ = 21506110496.

The previous prime is 43012220981. The next prime is 43012221017. The reversal of 43012220996 is 69902221034.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22467012100 + 20545208896 = 149890^2 + 143336^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5376527621 + ... + 5376527628.

It is an arithmetic number, because the mean of its divisors is an integer number (12545231125).

Almost surely, 2^43012220996 is an apocalyptic number.

It is an amenable number.

43012220996 is a deficient number, since it is larger than the sum of its proper divisors (32259165754).

43012220996 is a wasteful number, since it uses less digits than its factorization.

43012220996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10753055253 (or 10753055251 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

Adding to 43012220996 its sum of digits (38), we get a palindrome (43012221034).

The spelling of 43012220996 in words is "forty-three billion, twelve million, two hundred twenty thousand, nine hundred ninety-six".