1200452173090 has 16 divisors (see below), whose sum is σ = 2161167500088. Its totient is φ = 480102294016.

The previous prime is 1200452173073. The next prime is 1200452173093. The reversal of 1200452173090 is 903712540021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 998278741321 + 202173431769 = 999139^2 + 449637^2 .

It is not an unprimeable number, because it can be changed into a prime (1200452173093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9757717 + ... + 9879976.

Almost surely, 2^{1200452173090} is an apocalyptic number.

1200452173090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200452173090 is a deficient number, since it is larger than the sum of its proper divisors (960715326998).

1200452173090 is a wasteful number, since it uses less digits than its factorization.

1200452173090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19643813.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 1200452173090 in words is "one trillion, two hundred billion, four hundred fifty-two million, one hundred seventy-three thousand, ninety".