1321112303300 has 36 divisors (see below), whose sum is σ = 2936735992596. Its totient is φ = 515556019200.

The previous prime is 1321112303281. The next prime is 1321112303359. The reversal of 1321112303300 is 33032111231.

It can be written as a sum of positive squares in 6 ways, for example, as 3056762944 + 1318055540356 = 55288^2 + 1148066^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161107157 + ... + 161115356.

Almost surely, 2^{1321112303300} is an apocalyptic number.

1321112303300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321112303300 is an abundant number, since it is smaller than the sum of its proper divisors (1615623689296).

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

1321112303300 is a wasteful number, since it uses less digits than its factorization.

1321112303300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322222568 (or 322222561 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1321112303300 its reverse (33032111231), we get a palindrome (1354144414531).

The spelling of 1321112303300 in words is "one trillion, three hundred twenty-one billion, one hundred twelve million, three hundred three thousand, three hundred".