1303220222120 has 16 divisors (see below), whose sum is σ = 2932245499860. Its totient is φ = 521288088832.

The previous prime is 1303220222111. The next prime is 1303220222131. The reversal of 1303220222120 is 212220223031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1190494845604 + 112725376516 = 1091098^2 + 335746^2 .

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 = 1303220222092 and 1303220222101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16290252737 + ... + 16290252816.

Almost surely, 2^{1303220222120} is an apocalyptic number.

1303220222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303220222120 is an abundant number, since it is smaller than the sum of its proper divisors (1629025277740).

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

1303220222120 is a wasteful number, since it uses less digits than its factorization.

1303220222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32580505564 (or 32580505560 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1303220222120 its reverse (212220223031), we get a palindrome (1515440445151).

The spelling of 1303220222120 in words is "one trillion, three hundred three billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twenty".