1321320101132 has 48 divisors (see below), whose sum is σ = 2402800243200. Its totient is φ = 635012293440.

The previous prime is 1321320101111. The next prime is 1321320101147. The reversal of 1321320101132 is 2311010231231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130935407 + ... + 130945497.

It is an arithmetic number, because the mean of its divisors is an integer number (50058338400).

Almost surely, 2^{1321320101132} is an apocalyptic number.

It is an amenable number.

1321320101132 is a deficient number, since it is larger than the sum of its proper divisors (1081480142068).

1321320101132 is a wasteful number, since it uses less digits than its factorization.

1321320101132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15086 (or 15084 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1321320101132 its reverse (2311010231231), we get a palindrome (3632330332363).

The spelling of 1321320101132 in words is "one trillion, three hundred twenty-one billion, three hundred twenty million, one hundred one thousand, one hundred thirty-two".