13001231213222 has 32 divisors (see below), whose sum is σ = 23262693350400. Its totient is φ = 5328360642528.

The previous prime is 13001231213219. The next prime is 13001231213249. The reversal of 13001231213222 is 22231213210031.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3776522 + ... + 6345437.

It is an arithmetic number, because the mean of its divisors is an integer number (726959167200).

Almost surely, 2^{13001231213222} is an apocalyptic number.

13001231213222 is a deficient number, since it is larger than the sum of its proper divisors (10261462137178).

13001231213222 is a wasteful number, since it uses less digits than its factorization.

13001231213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125980.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13001231213222 its reverse (22231213210031), we get a palindrome (35232444423253).

The spelling of 13001231213222 in words is "thirteen trillion, one billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred twenty-two".