43112010421 has 8 divisors (see below), whose sum is σ = 47222080920. Its totient is φ = 39176836608.

The previous prime is 43112010391. The next prime is 43112010433. The reversal of 43112010421 is 12401021134.

It can be written as a sum of positive squares in 4 ways, for example, as 5857606225 + 37254404196 = 76535^2 + 193014^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43112010421 - 2²⁵ = 43078455989 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 (43112013421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43723656 + ... + 43724641.

It is an arithmetic number, because the mean of its divisors is an integer number (5902760115).

Almost surely, 2^43112010421 is an apocalyptic number.

It is an amenable number.

43112010421 is a deficient number, since it is larger than the sum of its proper divisors (4110070499).

43112010421 is a wasteful number, since it uses less digits than its factorization.

43112010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87448343.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 43112010421 its reverse (12401021134), we get a palindrome (55513031555).

The spelling of 43112010421 in words is "forty-three billion, one hundred twelve million, ten thousand, four hundred twenty-one".