1200320223112 has 8 divisors (see below), whose sum is σ = 2250600418350. Its totient is φ = 600160111552.

The previous prime is 1200320223071. The next prime is 1200320223119. The reversal of 1200320223112 is 2113220230021.

It can be written as a sum of positive squares in only one way, i.e., 1040836605796 + 159483617316 = 1020214^2 + 399354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1200320223112.

It is not an unprimeable number, because it can be changed into a prime (1200320223119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75020013937 + ... + 75020013952.

Almost surely, 2^{1200320223112} is an apocalyptic number.

It is an amenable number.

1200320223112 is a deficient number, since it is larger than the sum of its proper divisors (1050280195238).

1200320223112 is a wasteful number, since it uses less digits than its factorization.

1200320223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150040027895 (or 150040027891 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1200320223112 its reverse (2113220230021), we get a palindrome (3313540453133).

The spelling of 1200320223112 in words is "one trillion, two hundred billion, three hundred twenty million, two hundred twenty-three thousand, one hundred twelve".