212144320104 has 32 divisors (see below), whose sum is σ = 530714700000. Its totient is φ = 70667586752.

The previous prime is 212144320099. The next prime is 212144320111. The reversal of 212144320104 is 401023441212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2912439 + ... + 2984390.

It is an arithmetic number, because the mean of its divisors is an integer number (16584834375).

Almost surely, 2^212144320104 is an apocalyptic number.

212144320104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212144320104 is an abundant number, since it is smaller than the sum of its proper divisors (318570379896).

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

212144320104 is a wasteful number, since it uses less digits than its factorization.

212144320104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898337 (or 5898333 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 212144320104 its reverse (401023441212), we get a palindrome (613167761316).

The spelling of 212144320104 in words is "two hundred twelve billion, one hundred forty-four million, three hundred twenty thousand, one hundred four".