13200722172 has 96 divisors (see below), whose sum is σ = 37456473600. Its totient is φ = 3987244800.

The previous prime is 13200722159. The next prime is 13200722191. The reversal of 13200722172 is 27122700231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351604 + ... + 387332.

It is an arithmetic number, because the mean of its divisors is an integer number (390171600).

Almost surely, 2^13200722172 is an apocalyptic number.

13200722172 is a gapful number since it is divisible by the number (12) 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 13200722172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18728236800).

13200722172 is an abundant number, since it is smaller than the sum of its proper divisors (24255751428).

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

13200722172 is a wasteful number, since it uses less digits than its factorization.

13200722172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36064 (or 36056 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The spelling of 13200722172 in words is "thirteen billion, two hundred million, seven hundred twenty-two thousand, one hundred seventy-two".