43312301212240 has 80 divisors (see below), whose sum is σ = 102191921084160. Its totient is φ = 17068781649920.

The previous prime is 43312301212231. The next prime is 43312301212259. The reversal of 43312301212240 is 4221210321334.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 43312301212199 and 43312301212208.

It is a congruent number.

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, 5297157 + ... + 10709083.

It is an arithmetic number, because the mean of its divisors is an integer number (1277399013552).

Almost surely, 2^{43312301212240} is an apocalyptic number.

43312301212240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43312301212240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51095960542080).

43312301212240 is an abundant number, since it is smaller than the sum of its proper divisors (58879619871920).

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

43312301212240 is a wasteful number, since it uses less digits than its factorization.

43312301212240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413420 (or 5413414 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 43312301212240 its reverse (4221210321334), we get a palindrome (47533511533574).

The spelling of 43312301212240 in words is "forty-three trillion, three hundred twelve billion, three hundred one million, two hundred twelve thousand, two hundred forty".