1321012021214 has 8 divisors (see below), whose sum is σ = 2014001934168. Its totient is φ = 649678043160.

The previous prime is 1321012021213. The next prime is 1321012021247. The reversal of 1321012021214 is 4121202101231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321012021213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5413983572 + ... + 5413983815.

It is an arithmetic number, because the mean of its divisors is an integer number (251750241771).

Almost surely, 2^{1321012021214} is an apocalyptic number.

1321012021214 is a deficient number, since it is larger than the sum of its proper divisors (692989912954).

1321012021214 is a wasteful number, since it uses less digits than its factorization.

1321012021214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10827967450.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1321012021214 its reverse (4121202101231), we get a palindrome (5442214122445).

The spelling of 1321012021214 in words is "one trillion, three hundred twenty-one billion, twelve million, twenty-one thousand, two hundred fourteen".