1200201210112 has 18 divisors (see below), whose sum is σ = 2395714134758. Its totient is φ = 600100604928.

The previous prime is 1200201210071. The next prime is 1200201210113. The reversal of 1200201210112 is 2110121020021.

It can be written as a sum of positive squares in only one way, i.e., 1140829065216 + 59372144896 = 1068096^2 + 243664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200201210092 and 1200201210101.

It is not an unprimeable number, because it can be changed into a prime (1200201210113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2344142733 + ... + 2344143244.

Almost surely, 2^{1200201210112} is an apocalyptic number.

It is an amenable number.

1200201210112 is a deficient number, since it is larger than the sum of its proper divisors (1195512924646).

1200201210112 is an frugal number, since it uses more digits than its factorization.

1200201210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688285993 (or 4688285979 counting only the distinct ones).

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

Adding to 1200201210112 its reverse (2110121020021), we get a palindrome (3310322230133).

The spelling of 1200201210112 in words is "one trillion, two hundred billion, two hundred one million, two hundred ten thousand, one hundred twelve".