1200221210112 has 80 divisors (see below), whose sum is σ = 3207125689152. Its totient is φ = 398864885760.

The previous prime is 1200221210107. The next prime is 1200221210113. The reversal of 1200221210112 is 2110121220021.

It is a junction number, because it is equal to n+sod(n) for n = 1200221210091 and 1200221210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200221210113) 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, 671938 + ... + 1688769.

Almost surely, 2^{1200221210112} is an apocalyptic number.

1200221210112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200221210112 is an abundant number, since it is smaller than the sum of its proper divisors (2006904479040).

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

1200221210112 is an equidigital number, since it uses as much as digits as its factorization.

1200221210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361059 (or 2361043 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1200221210112 its reverse (2110121220021), we get a palindrome (3310342430133).

Subtracting 1200221210112 from its reverse (2110121220021), we obtain a palindrome (909900009909).

The spelling of 1200221210112 in words is "one trillion, two hundred billion, two hundred twenty-one million, two hundred ten thousand, one hundred twelve".