1321313210032 has 40 divisors (see below), whose sum is σ = 2699151462000. Its totient is φ = 624870715392.

The previous prime is 1321313209933. The next prime is 1321313210069. The reversal of 1321313210032 is 2300123131231.

It is a junction number, because it is equal to n+sod(n) for n = 1321313209985 and 1321313210012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3334657 + ... + 3709792.

It is an arithmetic number, because the mean of its divisors is an integer number (67478786550).

Almost surely, 2^{1321313210032} is an apocalyptic number.

It is an amenable number.

1321313210032 is an abundant number, since it is smaller than the sum of its proper divisors (1377838251968).

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

1321313210032 is a wasteful number, since it uses less digits than its factorization.

1321313210032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045093 (or 7045087 counting only the distinct ones).

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

Adding to 1321313210032 its reverse (2300123131231), we get a palindrome (3621436341263).

The spelling of 1321313210032 in words is "one trillion, three hundred twenty-one billion, three hundred thirteen million, two hundred ten thousand, thirty-two".