12120112112200 has 48 divisors (see below), whose sum is σ = 28181179140660. Its totient is φ = 4847714784000.

The previous prime is 12120112112179. The next prime is 12120112112203. The reversal of 12120112112200 is 221121102121.

It can be written as a sum of positive squares in 6 ways, for example, as 6683165973124 + 5436946139076 = 2585182^2 + 2331726^2 .

It is a super-2 number, since 2×12120112112200² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12120112112203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892690 + ... + 5003710.

Almost surely, 2^{12120112112200} is an apocalyptic number.

12120112112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120112112200 is an abundant number, since it is smaller than the sum of its proper divisors (16061067028460).

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

12120112112200 is a wasteful number, since it uses less digits than its factorization.

12120112112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125778 (or 4125769 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12120112112200 its reverse (221121102121), we get a palindrome (12341233214321).

The spelling of 12120112112200 in words is "twelve trillion, one hundred twenty billion, one hundred twelve million, one hundred twelve thousand, two hundred".