13101220203120 has 360 divisors, whose sum is σ = 51217420625280. Its totient is φ = 2992472017920.

The previous prime is 13101220203107. The next prime is 13101220203139. The reversal of 13101220203120 is 2130202210131.

13101220203120 is a `hidden beast` number, since 1 + 310 + 1 + 2 + 20 + 20 + 312 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13101220203093 and 13101220203102.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 50638890 + ... + 50896950.

It is an arithmetic number, because the mean of its divisors is an integer number (142270612848).

Almost surely, 2^{13101220203120} is an apocalyptic number.

13101220203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13101220203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25608710312640).

13101220203120 is an abundant number, since it is smaller than the sum of its proper divisors (38116200422160).

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

13101220203120 is a wasteful number, since it uses less digits than its factorization.

13101220203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259533 (or 259517 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13101220203120 its reverse (2130202210131), we get a palindrome (15231422413251).

The spelling of 13101220203120 in words is "thirteen trillion, one hundred one billion, two hundred twenty million, two hundred three thousand, one hundred twenty".