13222221303112 has 8 divisors (see below), whose sum is σ = 24791664943350. Its totient is φ = 6611110651552.

The previous prime is 13222221303101. The next prime is 13222221303143. The reversal of 13222221303112 is 21130312222231.

It can be written as a sum of positive squares in only one way, i.e., 12482838007236 + 739383295876 = 3533106^2 + 859874^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826388831437 + ... + 826388831452.

Almost surely, 2^{13222221303112} is an apocalyptic number.

It is an amenable number.

13222221303112 is a deficient number, since it is larger than the sum of its proper divisors (11569443640238).

13222221303112 is a wasteful number, since it uses less digits than its factorization.

13222221303112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652777662895 (or 1652777662891 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13222221303112 its reverse (21130312222231), we get a palindrome (34352533525343).

The spelling of 13222221303112 in words is "thirteen trillion, two hundred twenty-two billion, two hundred twenty-one million, three hundred three thousand, one hundred twelve".