1200112220102 has 64 divisors (see below), whose sum is σ = 1947262986240. Its totient is φ = 554423395680.

The previous prime is 1200112220089. The next prime is 1200112220107. The reversal of 1200112220102 is 2010222110021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200112220107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584564108 + ... + 584566160.

It is an arithmetic number, because the mean of its divisors is an integer number (30425984160).

Almost surely, 2^{1200112220102} is an apocalyptic number.

1200112220102 is a deficient number, since it is larger than the sum of its proper divisors (747150766138).

1200112220102 is an equidigital number, since it uses as much as digits as its factorization.

1200112220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146 (or 3108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200112220102 its reverse (2010222110021), we get a palindrome (3210334330123).

The spelling of 1200112220102 in words is "one trillion, two hundred billion, one hundred twelve million, two hundred twenty thousand, one hundred two".