1943233212001 has 3 divisors (see below), whose sum is σ = 1943234606001. Its totient is φ = 1943231818002.

The previous prime is 1943233211977. The next prime is 1943233212007. The reversal of 1943233212001 is 1002123323491.

It is a happy number.

The square root of 1943233212001 is 1393999.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1943233212001 - 2⁷ = 1943233211873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1943233212007) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 697000 + ... + 2090998.

It is an arithmetic number, because the mean of its divisors is an integer number (647744868667).

Almost surely, 2^{1943233212001} is an apocalyptic number.

1943233212001 is the 1393999-th square number.

1943233212001 is the 697000-th centered octagonal number.

It is an amenable number.

1943233212001 is a deficient number, since it is larger than the sum of its proper divisors (1394000).

1943233212001 is an frugal number, since it uses more digits than its factorization.

1943233212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787998 (or 1393999 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 1943233212001 its reverse (1002123323491), we get a palindrome (2945356535492).

The spelling of 1943233212001 in words is "one trillion, nine hundred forty-three billion, two hundred thirty-three million, two hundred twelve thousand, one".