213020043212 has 6 divisors (see below), whose sum is σ = 372785075628. Its totient is φ = 106510021604.

The previous prime is 213020043211. The next prime is 213020043217. The reversal of 213020043212 is 212340020312.

It is not an unprimeable number, because it can be changed into a prime (213020043211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627505398 + ... + 26627505405.

It is an arithmetic number, because the mean of its divisors is an integer number (62130845938).

Almost surely, 2^213020043212 is an apocalyptic number.

It is an amenable number.

213020043212 is a deficient number, since it is larger than the sum of its proper divisors (159765032416).

213020043212 is a wasteful number, since it uses less digits than its factorization.

213020043212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53255010807 (or 53255010805 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213020043212 its reverse (212340020312), we get a palindrome (425360063524).

The spelling of 213020043212 in words is "two hundred thirteen billion, twenty million, forty-three thousand, two hundred twelve".