4312351744221 has 8 divisors (see below), whose sum is σ = 5749851782560. Its totient is φ = 2874876434352.

The previous prime is 4312351744201. The next prime is 4312351744279. The reversal of 4312351744221 is 1224471532134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4312351744221 - 2⁶ = 4312351744157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4312351744221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312351744201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5771311 + ... + 6475548.

It is an arithmetic number, because the mean of its divisors is an integer number (718731472820).

Almost surely, 2^{4312351744221} is an apocalyptic number.

It is an amenable number.

4312351744221 is a deficient number, since it is larger than the sum of its proper divisors (1437500038339).

4312351744221 is a wasteful number, since it uses less digits than its factorization.

4312351744221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12364235.

The product of its digits is 161280, while the sum is 39.

The spelling of 4312351744221 in words is "four trillion, three hundred twelve billion, three hundred fifty-one million, seven hundred forty-four thousand, two hundred twenty-one".