212000440344 has 64 divisors (see below), whose sum is σ = 660780599040. Its totient is φ = 55065048960.

The previous prime is 212000440339. The next prime is 212000440369. The reversal of 212000440344 is 443044000212.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57357579 + ... + 57361274.

It is an arithmetic number, because the mean of its divisors is an integer number (10324696860).

Almost surely, 2^212000440344 is an apocalyptic number.

212000440344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212000440344 is an abundant number, since it is smaller than the sum of its proper divisors (448780158696).

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

212000440344 is a wasteful number, since it uses less digits than its factorization.

212000440344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114718880 (or 114718876 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 212000440344 its reverse (443044000212), we get a palindrome (655044440556).

The spelling of 212000440344 in words is "two hundred twelve billion, four hundred forty thousand, three hundred forty-four".