213043404124 has 12 divisors (see below), whose sum is σ = 374497824064. Its totient is φ = 106044025824.

The previous prime is 213043404097. The next prime is 213043404127. The reversal of 213043404124 is 421404340312.

It is a junction number, because it is equal to n+sod(n) for n = 213043404092 and 213043404101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213043404127) 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, 119418057 + ... + 119419840.

Almost surely, 2^213043404124 is an apocalyptic number.

It is an amenable number.

213043404124 is a deficient number, since it is larger than the sum of its proper divisors (161454419940).

213043404124 is a wasteful number, since it uses less digits than its factorization.

213043404124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238838124 (or 238838122 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 213043404124 its reverse (421404340312), we get a palindrome (634447744436).

The spelling of 213043404124 in words is "two hundred thirteen billion, forty-three million, four hundred four thousand, one hundred twenty-four".