1201200100112 has 10 divisors (see below), whose sum is σ = 2327325193998. Its totient is φ = 600600050048.

The previous prime is 1201200100109. The next prime is 1201200100159. The reversal of 1201200100112 is 2110010021021.

It can be written as a sum of positive squares in only one way, i.e., 905573011456 + 295627088656 = 951616^2 + 543716^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201200100093 and 1201200100102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37537503113 + ... + 37537503144.

Almost surely, 2^{1201200100112} is an apocalyptic number.

It is an amenable number.

1201200100112 is a deficient number, since it is larger than the sum of its proper divisors (1126125093886).

1201200100112 is an equidigital number, since it uses as much as digits as its factorization.

1201200100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75075006265 (or 75075006259 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201200100112 its reverse (2110010021021), we get a palindrome (3311210121133).

The spelling of 1201200100112 in words is "one trillion, two hundred one billion, two hundred million, one hundred thousand, one hundred twelve".