43012420101 has 24 divisors (see below), whose sum is σ = 72168646784. Its totient is φ = 24175596960.

The previous prime is 43012420021. The next prime is 43012420109. The reversal of 43012420101 is 10102421034.

It is not a de Polignac number, because 43012420101 - 2⁹ = 43012419589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43012420109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5592361 + ... + 5600046.

Almost surely, 2^43012420101 is an apocalyptic number.

It is an amenable number.

43012420101 is a deficient number, since it is larger than the sum of its proper divisors (29156226683).

43012420101 is a wasteful number, since it uses less digits than its factorization.

43012420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11192481 (or 11192478 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 43012420101 its reverse (10102421034), we get a palindrome (53114841135).

The spelling of 43012420101 in words is "forty-three billion, twelve million, four hundred twenty thousand, one hundred one".