43202203412421 has 4 divisors (see below), whose sum is σ = 57602937883232. Its totient is φ = 28801468941612.

The previous prime is 43202203412383. The next prime is 43202203412443. The reversal of 43202203412421 is 12421430220234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 43202203412421 - 2⁷ = 43202203412293 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 (43202203411421) 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, 7200367235401 + ... + 7200367235406.

It is an arithmetic number, because the mean of its divisors is an integer number (14400734470808).

Almost surely, 2^{43202203412421} is an apocalyptic number.

It is an amenable number.

43202203412421 is a deficient number, since it is larger than the sum of its proper divisors (14400734470811).

43202203412421 is a wasteful number, since it uses less digits than its factorization.

43202203412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14400734470810.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 43202203412421 its reverse (12421430220234), we get a palindrome (55623633632655).

The spelling of 43202203412421 in words is "forty-three trillion, two hundred two billion, two hundred three million, four hundred twelve thousand, four hundred twenty-one".