12220011112 has 16 divisors (see below), whose sum is σ = 23148733860. Its totient is φ = 6047015424.

The previous prime is 12220011107. The next prime is 12220011119. The reversal of 12220011112 is 21111002221.

It can be written as a sum of positive squares in 2 ways, for example, as 12127735876 + 92275236 = 110126^2 + 9606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12220011092 and 12220011101.

It is not an unprimeable number, because it can be changed into a prime (12220011119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7872943 + ... + 7874494.

Almost surely, 2^12220011112 is an apocalyptic number.

It is an amenable number.

12220011112 is a deficient number, since it is larger than the sum of its proper divisors (10928722748).

12220011112 is a wasteful number, since it uses less digits than its factorization.

12220011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15747540 (or 15747536 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12220011112 its reverse (21111002221), we get a palindrome (33331013333).

The spelling of 12220011112 in words is "twelve billion, two hundred twenty million, eleven thousand, one hundred twelve".