1303242243420 has 192 divisors, whose sum is σ = 3954222873216. Its totient is φ = 318806261760.

The previous prime is 1303242243419. The next prime is 1303242243427. The reversal of 1303242243420 is 243422423031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303242243427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150121480 + ... + 150130160.

It is an arithmetic number, because the mean of its divisors is an integer number (20594910798).

Almost surely, 2^{1303242243420} is an apocalyptic number.

1303242243420 is a gapful number since it is divisible by the number (10) 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 1303242243420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1977111436608).

1303242243420 is an abundant number, since it is smaller than the sum of its proper divisors (2650980629796).

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

1303242243420 is a wasteful number, since it uses less digits than its factorization.

1303242243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9880 (or 9878 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 1303242243420 its reverse (243422423031), we get a palindrome (1546664666451).

The spelling of 1303242243420 in words is "one trillion, three hundred three billion, two hundred forty-two million, two hundred forty-three thousand, four hundred twenty".