43212341000421 has 6 divisors (see below), whose sum is σ = 62417825889510. Its totient is φ = 28808227333608.

The previous prime is 43212341000393. The next prime is 43212341000431. The reversal of 43212341000421 is 12400014321234.

43212341000421 is a `hidden beast` number, since 4 + 3 + 2 + 1 + 234 + 1 + 0 + 0 + 0 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40691819612196 + 2520521388225 = 6379014^2 + 1587615^2 .

It is not a de Polignac number, because 43212341000421 - 2²⁹ = 43211804129509 is a prime.

It is a super-2 number, since 2×43212341000421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43212341000431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2400685611126 + ... + 2400685611143.

It is an arithmetic number, because the mean of its divisors is an integer number (10402970981585).

Almost surely, 2^{43212341000421} is an apocalyptic number.

It is an amenable number.

43212341000421 is a deficient number, since it is larger than the sum of its proper divisors (19205484889089).

43212341000421 is a wasteful number, since it uses less digits than its factorization.

43212341000421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801371222275 (or 4801371222272 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 43212341000421 its reverse (12400014321234), we get a palindrome (55612355321655).

The spelling of 43212341000421 in words is "forty-three trillion, two hundred twelve billion, three hundred forty-one million, four hundred twenty-one", and thus it is an aban number.