213224011144 has 64 divisors (see below), whose sum is σ = 435074889600. Its totient is φ = 97619904000.

The previous prime is 213224011139. The next prime is 213224011211. The reversal of 213224011144 is 441110422312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723684 + ... + 974764.

It is an arithmetic number, because the mean of its divisors is an integer number (6798045150).

Almost surely, 2^213224011144 is an apocalyptic number.

It is an amenable number.

213224011144 is an abundant number, since it is smaller than the sum of its proper divisors (221850878456).

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

213224011144 is a wasteful number, since it uses less digits than its factorization.

213224011144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251294 (or 251290 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 213224011144 its reverse (441110422312), we get a palindrome (654334433456).

The spelling of 213224011144 in words is "two hundred thirteen billion, two hundred twenty-four million, eleven thousand, one hundred forty-four".