13221200195 has 32 divisors (see below), whose sum is σ = 19264176000. Its totient is φ = 8516745216.

The previous prime is 13221200119. The next prime is 13221200197. The reversal of 13221200195 is 59100212231.

It is a happy number.

It is not a de Polignac number, because 13221200195 - 2¹⁸ = 13220938051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13221200197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138470 + ... + 213579.

It is an arithmetic number, because the mean of its divisors is an integer number (602005500).

Almost surely, 2^13221200195 is an apocalyptic number.

13221200195 is a deficient number, since it is larger than the sum of its proper divisors (6042975805).

13221200195 is a wasteful number, since it uses less digits than its factorization.

13221200195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352127.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 13221200195 in words is "thirteen billion, two hundred twenty-one million, two hundred thousand, one hundred ninety-five".