1200020023232 has 14 divisors (see below), whose sum is σ = 2381289733728. Its totient is φ = 600010011584.

The previous prime is 1200020023219. The next prime is 1200020023253. The reversal of 1200020023232 is 2323200200021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200020023232.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 9375156368 + ... + 9375156495.

Almost surely, 2^{1200020023232} is an apocalyptic number.

It is an amenable number.

1200020023232 is a deficient number, since it is larger than the sum of its proper divisors (1181269710496).

1200020023232 is an equidigital number, since it uses as much as digits as its factorization.

1200020023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18750312875 (or 18750312865 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 1200020023232 its reverse (2323200200021), we get a palindrome (3523220223253).

The spelling of 1200020023232 in words is "one trillion, two hundred billion, twenty million, twenty-three thousand, two hundred thirty-two".