1321471040236 has 12 divisors (see below), whose sum is σ = 2350485375280. Its totient is φ = 649903790160.

The previous prime is 1321471040213. The next prime is 1321471040249. The reversal of 1321471040236 is 6320401741231.

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, 2707932216 + ... + 2707932703.

Almost surely, 2^{1321471040236} is an apocalyptic number.

It is an amenable number.

1321471040236 is a deficient number, since it is larger than the sum of its proper divisors (1029014335044).

1321471040236 is a wasteful number, since it uses less digits than its factorization.

1321471040236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415864984 (or 5415864982 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 1321471040236 its reverse (6320401741231), we get a palindrome (7641872781467).

The spelling of 1321471040236 in words is "one trillion, three hundred twenty-one billion, four hundred seventy-one million, forty thousand, two hundred thirty-six".