2212404401243 has 16 divisors (see below), whose sum is σ = 2301603572736. Its totient is φ = 2125332612480.

The previous prime is 2212404401227. The next prime is 2212404401267. The reversal of 2212404401243 is 3421044042122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2212404401243 - 2⁴ = 2212404401227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212404401203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475153 + ... + 2569218.

It is an arithmetic number, because the mean of its divisors is an integer number (143850223296).

Almost surely, 2^{2212404401243} is an apocalyptic number.

2212404401243 is a deficient number, since it is larger than the sum of its proper divisors (89199171493).

2212404401243 is a wasteful number, since it uses less digits than its factorization.

2212404401243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044634.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2212404401243 its reverse (3421044042122), we get a palindrome (5633448443365).

The spelling of 2212404401243 in words is "two trillion, two hundred twelve billion, four hundred four million, four hundred one thousand, two hundred forty-three".