1321330121032 has 32 divisors (see below), whose sum is σ = 2481734661120. Its totient is φ = 659535057280.

The previous prime is 1321330121011. The next prime is 1321330121093. The reversal of 1321330121032 is 2301210331231.

It is a junction number, because it is equal to n+sod(n) for n = 1321330120994 and 1321330121012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12776073 + ... + 12879079.

It is an arithmetic number, because the mean of its divisors is an integer number (77554208160).

Almost surely, 2^{1321330121032} is an apocalyptic number.

It is an amenable number.

1321330121032 is a deficient number, since it is larger than the sum of its proper divisors (1160404540088).

1321330121032 is a wasteful number, since it uses less digits than its factorization.

1321330121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105741 (or 105737 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1321330121032 its reverse (2301210331231), we get a palindrome (3622540452263).

The spelling of 1321330121032 in words is "one trillion, three hundred twenty-one billion, three hundred thirty million, one hundred twenty-one thousand, thirty-two".