43240242212 has 24 divisors (see below), whose sum is σ = 75986393112. Its totient is φ = 21530009600.

The previous prime is 43240242197. The next prime is 43240242233. The reversal of 43240242212 is 21224204234.

It can be written as a sum of positive squares in 4 ways, for example, as 3217839076 + 40022403136 = 56726^2 + 200056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054412 + ... + 1094652.

It is an arithmetic number, because the mean of its divisors is an integer number (3166099713).

Almost surely, 2^43240242212 is an apocalyptic number.

It is an amenable number.

43240242212 is a deficient number, since it is larger than the sum of its proper divisors (32746150900).

43240242212 is a wasteful number, since it uses less digits than its factorization.

43240242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41359 (or 41357 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 43240242212 its reverse (21224204234), we get a palindrome (64464446446).

The spelling of 43240242212 in words is "forty-three billion, two hundred forty million, two hundred forty-two thousand, two hundred twelve".