13000302321220 has 24 divisors (see below), whose sum is σ = 27966504019608. Its totient is φ = 5073288710400.

The previous prime is 13000302321137. The next prime is 13000302321229. The reversal of 13000302321220 is 2212320300031.

It can be written as a sum of positive squares in 4 ways, for example, as 70927407684 + 12929374913536 = 266322^2 + 3595744^2 .

It is a super-5 number, since 5×13000302321220⁵ (a number of 67 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (13000302321229) 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, 7927012791 + ... + 7927014430.

It is an arithmetic number, because the mean of its divisors is an integer number (1165271000817).

Almost surely, 2^{13000302321220} is an apocalyptic number.

13000302321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13000302321220 is an abundant number, since it is smaller than the sum of its proper divisors (14966201698388).

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

13000302321220 is a wasteful number, since it uses less digits than its factorization.

13000302321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15854027271 (or 15854027269 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13000302321220 its reverse (2212320300031), we get a palindrome (15212622621251).

The spelling of 13000302321220 in words is "thirteen trillion, three hundred two million, three hundred twenty-one thousand, two hundred twenty".