12001331343 has 8 divisors (see below), whose sum is σ = 16004102400. Its totient is φ = 7999723928.

The previous prime is 12001331341. The next prime is 12001331369. The reversal of 12001331343 is 34313310021.

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

It is a cyclic number.

It is not a de Polignac number, because 12001331343 - 2¹ = 12001331341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001331341) 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, 266553 + ... + 308306.

It is an arithmetic number, because the mean of its divisors is an integer number (2000512800).

Almost surely, 2^12001331343 is an apocalyptic number.

12001331343 is a deficient number, since it is larger than the sum of its proper divisors (4002771057).

12001331343 is an equidigital number, since it uses as much as digits as its factorization.

12001331343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581821.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12001331343 its reverse (34313310021), we get a palindrome (46314641364).

The spelling of 12001331343 in words is "twelve billion, one million, three hundred thirty-one thousand, three hundred forty-three".