1200220110112 has 48 divisors (see below), whose sum is σ = 2427918669792. Its totient is φ = 583721671680.

The previous prime is 1200220110107. The next prime is 1200220110161. The reversal of 1200220110112 is 2110110220021.

It is a super-2 number, since 2×1200220110112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200220110092 and 1200220110101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1478038 + ... + 2141269.

It is an arithmetic number, because the mean of its divisors is an integer number (50581638954).

Almost surely, 2^{1200220110112} is an apocalyptic number.

It is an amenable number.

1200220110112 is an abundant number, since it is smaller than the sum of its proper divisors (1227698559680).

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

1200220110112 is a wasteful number, since it uses less digits than its factorization.

1200220110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619601 (or 3619593 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200220110112 its reverse (2110110220021), we get a palindrome (3310330330133).

The spelling of 1200220110112 in words is "one trillion, two hundred billion, two hundred twenty million, one hundred ten thousand, one hundred twelve".