12210112000 has 80 divisors (see below), whose sum is σ = 30446836992. Its totient is φ = 4884019200.

The previous prime is 12210111983. The next prime is 12210112001. The reversal of 12210112000 is 21101221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210112001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31392 + ... + 159391.

Almost surely, 2^12210112000 is an apocalyptic number.

12210112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210112000 is an abundant number, since it is smaller than the sum of its proper divisors (18236724992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12210112000 is an frugal number, since it uses more digits than its factorization.

12210112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190816 (or 190790 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12210112000 its reverse (21101221), we get a palindrome (12231213221).

The spelling of 12210112000 in words is "twelve billion, two hundred ten million, one hundred twelve thousand".