1303213323220 has 48 divisors (see below), whose sum is σ = 2804780885760. Its totient is φ = 508485684096.

The previous prime is 1303213323211. The next prime is 1303213323227. The reversal of 1303213323220 is 223233123031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303213323227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4837647 + ... + 5099926.

It is an arithmetic number, because the mean of its divisors is an integer number (58432935120).

Almost surely, 2^{1303213323220} is an apocalyptic number.

1303213323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303213323220 is an abundant number, since it is smaller than the sum of its proper divisors (1501567562540).

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

1303213323220 is a wasteful number, since it uses less digits than its factorization.

1303213323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9937744 (or 9937742 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1303213323220 its reverse (223233123031), we get a palindrome (1526446446251).

The spelling of 1303213323220 in words is "one trillion, three hundred three billion, two hundred thirteen million, three hundred twenty-three thousand, two hundred twenty".