13220103112 has 8 divisors (see below), whose sum is σ = 24787693350. Its totient is φ = 6610051552.

The previous prime is 13220103107. The next prime is 13220103161. The reversal of 13220103112 is 21130102231.

It can be written as a sum of positive squares in only one way, i.e., 12654900036 + 565203076 = 112494^2 + 23774^2 .

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

It is a super-2 number, since 2×13220103112² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826256437 + ... + 826256452.

Almost surely, 2^13220103112 is an apocalyptic number.

It is an amenable number.

13220103112 is a deficient number, since it is larger than the sum of its proper divisors (11567590238).

13220103112 is a wasteful number, since it uses less digits than its factorization.

13220103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652512895 (or 1652512891 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13220103112 its reverse (21130102231), we get a palindrome (34350205343).

The spelling of 13220103112 in words is "thirteen billion, two hundred twenty million, one hundred three thousand, one hundred twelve".