1200112112 has 40 divisors (see below), whose sum is σ = 2387321904. Its totient is φ = 584123904.

The previous prime is 1200112099. The next prime is 1200112117. The reversal of 1200112112 is 2112110021.

It is a junction number, because it is equal to n+sod(n) for n = 1200112093 and 1200112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200112117) 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, 212558 + ... + 218130.

Almost surely, 2^1200112112 is an apocalyptic number.

It is an amenable number.

1200112112 is a deficient number, since it is larger than the sum of its proper divisors (1187209792).

1200112112 is a wasteful number, since it uses less digits than its factorization.

1200112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5937 (or 5931 counting only the distinct ones).

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

The square root of 1200112112 is about 34642.6343109181. The cubic root of 1200112112 is about 1062.6916617014.

Adding to 1200112112 its reverse (2112110021), we get a palindrome (3312222133).

The spelling of 1200112112 in words is "one billion, two hundred million, one hundred twelve thousand, one hundred twelve".