213044120010 has 48 divisors (see below), whose sum is σ = 554132615400. Its totient is φ = 56789416320.

The previous prime is 213044119949. The next prime is 213044120059. The reversal of 213044120010 is 10021440312.

213044120010 is a `hidden beast` number, since 2 + 13 + 0 + 441 + 200 + 10 = 666.

213044120010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 209836370241 + 3207749769 = 458079^2 + 56637^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234921 + ... + 693740.

Almost surely, 2^213044120010 is an apocalyptic number.

213044120010 is an abundant number, since it is smaller than the sum of its proper divisors (341088495390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213044120010 is a wasteful number, since it uses less digits than its factorization.

213044120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931223 (or 931220 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 213044120010 its reverse (10021440312), we get a palindrome (223065560322).

The spelling of 213044120010 in words is "two hundred thirteen billion, forty-four million, one hundred twenty thousand, ten".