1321300020232 has 16 divisors (see below), whose sum is σ = 2607828987600. Its totient is φ = 625878956880.

The previous prime is 1321300020193. The next prime is 1321300020259. The reversal of 1321300020232 is 2320200031231.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 4346381494 + ... + 4346381797.

It is an arithmetic number, because the mean of its divisors is an integer number (162989311725).

Almost surely, 2^{1321300020232} is an apocalyptic number.

It is an amenable number.

1321300020232 is a deficient number, since it is larger than the sum of its proper divisors (1286528967368).

1321300020232 is a wasteful number, since it uses less digits than its factorization.

1321300020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8692763316 (or 8692763312 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1321300020232 its reverse (2320200031231), we get a palindrome (3641500051463).

The spelling of 1321300020232 in words is "one trillion, three hundred twenty-one billion, three hundred million, twenty thousand, two hundred thirty-two".