1200123221032 has 16 divisors (see below), whose sum is σ = 2251176153300. Its totient is φ = 599809580160.

The previous prime is 1200123220991. The next prime is 1200123221057. The reversal of 1200123221032 is 2301223210021.

It can be written as a sum of positive squares in 2 ways, for example, as 1174566083076 + 25557137956 = 1083774^2 + 159866^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 31483557 + ... + 31521652.

Almost surely, 2^{1200123221032} is an apocalyptic number.

It is an amenable number.

1200123221032 is a deficient number, since it is larger than the sum of its proper divisors (1051052932268).

1200123221032 is a wasteful number, since it uses less digits than its factorization.

1200123221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63007596 (or 63007592 counting only the distinct ones).

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

Adding to 1200123221032 its reverse (2301223210021), we get a palindrome (3501346431053).

The spelling of 1200123221032 in words is "one trillion, two hundred billion, one hundred twenty-three million, two hundred twenty-one thousand, thirty-two".