13203101221220 has 24 divisors (see below), whose sum is σ = 28316438365824. Its totient is φ = 5168873669216.

The previous prime is 13203101221171. The next prime is 13203101221223. The reversal of 13203101221220 is 2212210130231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13203101221192 and 13203101221201.

It is not an unprimeable number, because it can be changed into a prime (13203101221223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7022925242 + ... + 7022927121.

It is an arithmetic number, because the mean of its divisors is an integer number (1179851598576).

Almost surely, 2^{13203101221220} is an apocalyptic number.

13203101221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13203101221220 is an abundant number, since it is smaller than the sum of its proper divisors (15113337144604).

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

13203101221220 is a wasteful number, since it uses less digits than its factorization.

13203101221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14045852419 (or 14045852417 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13203101221220 its reverse (2212210130231), we get a palindrome (15415311351451).

The spelling of 13203101221220 in words is "thirteen trillion, two hundred three billion, one hundred one million, two hundred twenty-one thousand, two hundred twenty".