43432220012 has 12 divisors (see below), whose sum is σ = 76058777256. Its totient is φ = 21701140800.

The previous prime is 43432219981. The next prime is 43432220053. The reversal of 43432220012 is 21002223434.

It is a self number, because there is not a number n which added to its sum of digits gives 43432220012.

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, 3735773 + ... + 3747380.

It is an arithmetic number, because the mean of its divisors is an integer number (6338231438).

Almost surely, 2^43432220012 is an apocalyptic number.

It is an amenable number.

43432220012 is a deficient number, since it is larger than the sum of its proper divisors (32626557244).

43432220012 is a wasteful number, since it uses less digits than its factorization.

43432220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7484608 (or 7484606 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 43432220012 its reverse (21002223434), we get a palindrome (64434443446).

The spelling of 43432220012 in words is "forty-three billion, four hundred thirty-two million, two hundred twenty thousand, twelve".