43211012 has 12 divisors (see below), whose sum is σ = 81436236. Its totient is φ = 19943520.

The previous prime is 43211011. The next prime is 43211029. The reversal of 43211012 is 21011234.

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 41267776 = 1394^2 + 6424^2 .

It is not an unprimeable number, because it can be changed into a prime (43211011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415439 + ... + 415542.

It is an arithmetic number, because the mean of its divisors is an integer number (6786353).

Almost surely, 2^43211012 is an apocalyptic number.

It is an amenable number.

43211012 is a deficient number, since it is larger than the sum of its proper divisors (38225224).

43211012 is a wasteful number, since it uses less digits than its factorization.

43211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830998 (or 830996 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 43211012 is about 6573.5083479068. The cubic root of 43211012 is about 350.9119402039.

Adding to 43211012 its reverse (21011234), we get a palindrome (64222246).

The spelling of 43211012 in words is "forty-three million, two hundred eleven thousand, twelve".