213220411443 has 48 divisors (see below), whose sum is σ = 338052615264. Its totient is φ = 128691763200.

The previous prime is 213220411421. The next prime is 213220411471. The reversal of 213220411443 is 344114022312.

213220411443 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 204 + 11 + 443 = 666.

It is not a de Polignac number, because 213220411443 - 2¹² = 213220407347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213220410443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28837155 + ... + 28844547.

It is an arithmetic number, because the mean of its divisors is an integer number (7042762818).

Almost surely, 2^213220411443 is an apocalyptic number.

213220411443 is a deficient number, since it is larger than the sum of its proper divisors (124832203821).

213220411443 is a wasteful number, since it uses less digits than its factorization.

213220411443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12116 (or 12113 counting only the distinct ones).

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

Adding to 213220411443 its reverse (344114022312), we get a palindrome (557334433755).

The spelling of 213220411443 in words is "two hundred thirteen billion, two hundred twenty million, four hundred eleven thousand, four hundred forty-three".