1302201021223 has 4 divisors (see below), whose sum is σ = 1302570234000. Its totient is φ = 1301831808448.

The previous prime is 1302201021211. The next prime is 1302201021301. The reversal of 1302201021223 is 3221201022031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1302201021223 - 2⁹ = 1302201020711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302201021223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302201021203) 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, 184601098 + ... + 184608151.

It is an arithmetic number, because the mean of its divisors is an integer number (325642558500).

Almost surely, 2^{1302201021223} is an apocalyptic number.

1302201021223 is a deficient number, since it is larger than the sum of its proper divisors (369212777).

1302201021223 is an equidigital number, since it uses as much as digits as its factorization.

1302201021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369212776.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1302201021223 its reverse (3221201022031), we get a palindrome (4523402043254).

The spelling of 1302201021223 in words is "one trillion, three hundred two billion, two hundred one million, twenty-one thousand, two hundred twenty-three".