43430134412 has 48 divisors (see below), whose sum is σ = 91596637440. Its totient is φ = 17601509952.

The previous prime is 43430134409. The next prime is 43430134417. The reversal of 43430134412 is 21443103434.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43430134417) 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, 223043 + ... + 369605.

It is an arithmetic number, because the mean of its divisors is an integer number (1908263280).

Almost surely, 2^43430134412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43430134412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45798318720).

43430134412 is an abundant number, since it is smaller than the sum of its proper divisors (48166503028).

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

43430134412 is a wasteful number, since it uses less digits than its factorization.

43430134412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147150 (or 147148 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 43430134412 its reverse (21443103434), we get a palindrome (64873237846).

The spelling of 43430134412 in words is "forty-three billion, four hundred thirty million, one hundred thirty-four thousand, four hundred twelve".