13021312220330 has 16 divisors (see below), whose sum is σ = 23491270270944. Its totient is φ = 5196767493840.

The previous prime is 13021312220249. The next prime is 13021312220333. The reversal of 13021312220330 is 3302221312031.

It is a junction number, because it is equal to n+sod(n) for n = 13021312220296 and 13021312220305.

It is not an unprimeable number, because it can be changed into a prime (13021312220333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469669636 + ... + 1469678495.

It is an arithmetic number, because the mean of its divisors is an integer number (1468204391934).

Almost surely, 2^{13021312220330} is an apocalyptic number.

13021312220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13021312220330 is a deficient number, since it is larger than the sum of its proper divisors (10469958050614).

13021312220330 is a wasteful number, since it uses less digits than its factorization.

13021312220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939348581.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13021312220330 its reverse (3302221312031), we get a palindrome (16323533532361).

The spelling of 13021312220330 in words is "thirteen trillion, twenty-one billion, three hundred twelve million, two hundred twenty thousand, three hundred thirty".