13172198022720 has 168 divisors, whose sum is σ = 49425679517760. Its totient is φ = 3193260119040.

The previous prime is 13172198022667. The next prime is 13172198022727. The reversal of 13172198022720 is 2722089127131.

13172198022720 is a `hidden beast` number, since 1 + 317 + 2 + 1 + 98 + 0 + 227 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (13172198022727) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 207862860 + ... + 207926219.

It is an arithmetic number, because the mean of its divisors is an integer number (294200473320).

Almost surely, 2^{13172198022720} is an apocalyptic number.

13172198022720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13172198022720 is an abundant number, since it is smaller than the sum of its proper divisors (36253481495040).

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

13172198022720 is a wasteful number, since it uses less digits than its factorization.

13172198022720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415789113 (or 415789100 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 13172198022720 in words is "thirteen trillion, one hundred seventy-two billion, one hundred ninety-eight million, twenty-two thousand, seven hundred twenty".