43211229985 has 16 divisors (see below), whose sum is σ = 64648490112. Its totient is φ = 26936870400.

The previous prime is 43211229979. The next prime is 43211229989. The reversal of 43211229985 is 58992211234.

It is not a de Polignac number, because 43211229985 - 2⁵ = 43211229953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43211229989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56118096 + ... + 56118865.

It is an arithmetic number, because the mean of its divisors is an integer number (4040530632).

Almost surely, 2^43211229985 is an apocalyptic number.

It is an amenable number.

43211229985 is a deficient number, since it is larger than the sum of its proper divisors (21437260127).

43211229985 is a wasteful number, since it uses less digits than its factorization.

43211229985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112236984.

The product of its digits is 311040, while the sum is 46.

The spelling of 43211229985 in words is "forty-three billion, two hundred eleven million, two hundred twenty-nine thousand, nine hundred eighty-five".