12203211112 has 8 divisors (see below), whose sum is σ = 22881020850. Its totient is φ = 6101605552.

The previous prime is 12203211019. The next prime is 12203211113. The reversal of 12203211112 is 21111230221.

It can be written as a sum of positive squares in only one way, i.e., 7362669636 + 4840541476 = 85806^2 + 69574^2 .

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

It is a super-2 number, since 2×12203211112² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12203211113) by changing a digit.

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, 762700687 + ... + 762700702.

Almost surely, 2^12203211112 is an apocalyptic number.

It is an amenable number.

12203211112 is a deficient number, since it is larger than the sum of its proper divisors (10677809738).

12203211112 is a wasteful number, since it uses less digits than its factorization.

12203211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525401395 (or 1525401391 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12203211112 its reverse (21111230221), we get a palindrome (33314441333).

The spelling of 12203211112 in words is "twelve billion, two hundred three million, two hundred eleven thousand, one hundred twelve".