1142303303220 has 48 divisors (see below), whose sum is σ = 3199316422848. Its totient is φ = 304531626240.

The previous prime is 1142303303203. The next prime is 1142303303221. The reversal of 1142303303220 is 223033032411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142303303221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2357569 + ... + 2800488.

It is an arithmetic number, because the mean of its divisors is an integer number (66652425476).

Almost surely, 2^{1142303303220} is an apocalyptic number.

1142303303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142303303220 is an abundant number, since it is smaller than the sum of its proper divisors (2057013119628).

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

1142303303220 is a wasteful number, since it uses less digits than its factorization.

1142303303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161760 (or 5161758 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1142303303220 its reverse (223033032411), we get a palindrome (1365336335631).

The spelling of 1142303303220 in words is "one trillion, one hundred forty-two billion, three hundred three million, three hundred three thousand, two hundred twenty".