243102014120 has 128 divisors (see below), whose sum is σ = 635765379840. Its totient is φ = 81931530240.

The previous prime is 243102014081. The next prime is 243102014123. The reversal of 243102014120 is 21410201342.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 243102014092 and 243102014101.

It is not an unprimeable number, because it can be changed into a prime (243102014123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35574224 + ... + 35581056.

It is an arithmetic number, because the mean of its divisors is an integer number (4966917030).

Almost surely, 2^243102014120 is an apocalyptic number.

243102014120 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 243102014120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317882689920).

243102014120 is an abundant number, since it is smaller than the sum of its proper divisors (392663365720).

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

243102014120 is a wasteful number, since it uses less digits than its factorization.

243102014120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995 (or 8991 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 243102014120 its reverse (21410201342), we get a palindrome (264512215462).

The spelling of 243102014120 in words is "two hundred forty-three billion, one hundred two million, fourteen thousand, one hundred twenty".