1200000202112 has 32 divisors (see below), whose sum is σ = 2390715831000. Its totient is φ = 599977405440.

The previous prime is 1200000202057. The next prime is 1200000202117. The reversal of 1200000202112 is 2112020000021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1200000202093 and 1200000202102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200000202117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3519764 + ... + 3845612.

Almost surely, 2^{1200000202112} is an apocalyptic number.

It is an amenable number.

1200000202112 is a deficient number, since it is larger than the sum of its proper divisors (1190715628888).

1200000202112 is an equidigital number, since it uses as much as digits as its factorization.

1200000202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354634 (or 354622 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200000202112 its reverse (2112020000021), we get a palindrome (3312020202133).

The spelling of 1200000202112 in words is "one trillion, two hundred billion, two hundred two thousand, one hundred twelve".