312212032144343 has 4 divisors (see below), whose sum is σ = 312531594102480. Its totient is φ = 311892470186208.

The previous prime is 312212032144339. The next prime is 312212032144421. The reversal of 312212032144343 is 343441230212213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312212032144343 - 2² = 312212032144339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212032344343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159780977603 + ... + 159780979556.

It is an arithmetic number, because the mean of its divisors is an integer number (78132898525620).

Almost surely, 2^{312212032144343} is an apocalyptic number.

312212032144343 is a deficient number, since it is larger than the sum of its proper divisors (319561958137).

312212032144343 is an equidigital number, since it uses as much as digits as its factorization.

312212032144343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319561958136.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 312212032144343 its reverse (343441230212213), we get a palindrome (655653262356556).

The spelling of 312212032144343 in words is "three hundred twelve trillion, two hundred twelve billion, thirty-two million, one hundred forty-four thousand, three hundred forty-three".