43412221420 has 12 divisors (see below), whose sum is σ = 91165665024. Its totient is φ = 17364888560.

The previous prime is 43412221381. The next prime is 43412221423. The reversal of 43412221420 is 2412221434.

It is not an unprimeable number, because it can be changed into a prime (43412221423) 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, 1085305516 + ... + 1085305555.

It is an arithmetic number, because the mean of its divisors is an integer number (7597138752).

Almost surely, 2^43412221420 is an apocalyptic number.

It is an amenable number.

43412221420 is an abundant number, since it is smaller than the sum of its proper divisors (47753443604).

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

43412221420 is a wasteful number, since it uses less digits than its factorization.

43412221420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170611080 (or 2170611078 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 43412221420 its reverse (2412221434), we get a palindrome (45824442854).

The spelling of 43412221420 in words is "forty-three billion, four hundred twelve million, two hundred twenty-one thousand, four hundred twenty".