1200220020112 has 20 divisors (see below), whose sum is σ = 2325662510796. Its totient is φ = 600049049600.

The previous prime is 1200220020089. The next prime is 1200220020119. The reversal of 1200220020112 is 2110200220021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132973998336 + 1067246021776 = 364656^2 + 1033076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200220020092 and 1200220020101.

It is not an unprimeable number, because it can be changed into a prime (1200220020119) 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, 3647389 + ... + 3962812.

Almost surely, 2^{1200220020112} is an apocalyptic number.

It is an amenable number.

1200220020112 is a deficient number, since it is larger than the sum of its proper divisors (1125442490684).

1200220020112 is an equidigital number, since it uses as much as digits as its factorization.

1200220020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620066 (or 7620060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200220020112 its reverse (2110200220021), we get a palindrome (3310420240133).

The spelling of 1200220020112 in words is "one trillion, two hundred billion, two hundred twenty million, twenty thousand, one hundred twelve".