1243243340222 has 8 divisors (see below), whose sum is σ = 2008316165016. Its totient is φ = 573804618552.

The previous prime is 1243243340221. The next prime is 1243243340243. The reversal of 1243243340222 is 2220433423421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243243340221) 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, 23908525748 + ... + 23908525799.

It is an arithmetic number, because the mean of its divisors is an integer number (251039520627).

Almost surely, 2^{1243243340222} is an apocalyptic number.

1243243340222 is a deficient number, since it is larger than the sum of its proper divisors (765072824794).

1243243340222 is a wasteful number, since it uses less digits than its factorization.

1243243340222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47817051562.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1243243340222 its reverse (2220433423421), we get a palindrome (3463676763643).

The spelling of 1243243340222 in words is "one trillion, two hundred forty-three billion, two hundred forty-three million, three hundred forty thousand, two hundred twenty-two".