1303223221220 has 48 divisors (see below), whose sum is σ = 2746594569600. Its totient is φ = 519420556800.

The previous prime is 1303223221217. The next prime is 1303223221229. The reversal of 1303223221220 is 221223223031.

It is not an unprimeable number, because it can be changed into a prime (1303223221229) 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, 7281971 + ... + 7458789.

It is an arithmetic number, because the mean of its divisors is an integer number (57220720200).

Almost surely, 2^{1303223221220} is an apocalyptic number.

1303223221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303223221220 is an abundant number, since it is smaller than the sum of its proper divisors (1443371348380).

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

1303223221220 is a wasteful number, since it uses less digits than its factorization.

1303223221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178148 (or 178146 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1303223221220 its reverse (221223223031), we get a palindrome (1524446444251).

The spelling of 1303223221220 in words is "one trillion, three hundred three billion, two hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty".