243212041402300 has 144 divisors (see below), whose sum is σ = 541120793365152. Its totient is φ = 94832957721600.

The previous prime is 243212041402289. The next prime is 243212041402301. The reversal of 243212041402300 is 3204140212342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243212041402301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24097096054 + ... + 24097106146.

It is an arithmetic number, because the mean of its divisors is an integer number (3757783287258).

Almost surely, 2^{243212041402300} is an apocalyptic number.

243212041402300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243212041402300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270560396682576).

243212041402300 is an abundant number, since it is smaller than the sum of its proper divisors (297908751962852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243212041402300 is a wasteful number, since it uses less digits than its factorization.

243212041402300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20768 (or 20761 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 243212041402300 its reverse (3204140212342), we get a palindrome (246416181614642).

The spelling of 243212041402300 in words is "two hundred forty-three trillion, two hundred twelve billion, forty-one million, four hundred two thousand, three hundred".