43243242012 has 24 divisors (see below), whose sum is σ = 112112109200. Its totient is φ = 14414413968.

The previous prime is 43243241983. The next prime is 43243242131. The reversal of 43243242012 is 21024234234.

43243242012 is a `hidden beast` number, since 4 + 324 + 324 + 2 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 200200087 + ... + 200200302.

Almost surely, 2^43243242012 is an apocalyptic number.

It is an amenable number.

43243242012 is an abundant number, since it is smaller than the sum of its proper divisors (68868867188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43243242012 is a wasteful number, since it uses less digits than its factorization.

43243242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400400402 (or 400400394 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43243242012 its reverse (21024234234), we get a palindrome (64267476246).

The spelling of 43243242012 in words is "forty-three billion, two hundred forty-three million, two hundred forty-two thousand, twelve".