1302213221320 has 64 divisors (see below), whose sum is σ = 3215481494400. Its totient is φ = 470696532480.

The previous prime is 1302213221227. The next prime is 1302213221357. The reversal of 1302213221320 is 231223122031.

It is a super-2 number, since 2×1302213221320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1302213221291 and 1302213221300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8787525 + ... + 8934484.

It is an arithmetic number, because the mean of its divisors is an integer number (50241898350).

Almost surely, 2^{1302213221320} is an apocalyptic number.

1302213221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302213221320 is an abundant number, since it is smaller than the sum of its proper divisors (1913268273080).

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

1302213221320 is a wasteful number, since it uses less digits than its factorization.

1302213221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17722198 (or 17722194 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1302213221320 its reverse (231223122031), we get a palindrome (1533436343351).

The spelling of 1302213221320 in words is "one trillion, three hundred two billion, two hundred thirteen million, two hundred twenty-one thousand, three hundred twenty".