13001222213122 has 64 divisors (see below), whose sum is σ = 22997910749184. Its totient is φ = 5434433144640.

The previous prime is 13001222213101. The next prime is 13001222213123. The reversal of 13001222213122 is 22131222210031.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13001222213093 and 13001222213102.

It is not an unprimeable number, because it can be changed into a prime (13001222213123) 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, 368007423 + ... + 368042749.

It is an arithmetic number, because the mean of its divisors is an integer number (359342355456).

Almost surely, 2^{13001222213122} is an apocalyptic number.

13001222213122 is a deficient number, since it is larger than the sum of its proper divisors (9996688536062).

13001222213122 is a wasteful number, since it uses less digits than its factorization.

13001222213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40183.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13001222213122 its reverse (22131222210031), we get a palindrome (35132444423153).

The spelling of 13001222213122 in words is "thirteen trillion, one billion, two hundred twenty-two million, two hundred thirteen thousand, one hundred twenty-two".