1200020323132 has 12 divisors (see below), whose sum is σ = 2129613531696. Its totient is φ = 591559314080.

The previous prime is 1200020323127. The next prime is 1200020323169. The reversal of 1200020323132 is 2313230200021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2112711553 + ... + 2112712120.

It is an arithmetic number, because the mean of its divisors is an integer number (177467794308).

Almost surely, 2^{1200020323132} is an apocalyptic number.

It is an amenable number.

1200020323132 is a deficient number, since it is larger than the sum of its proper divisors (929593208564).

1200020323132 is a wasteful number, since it uses less digits than its factorization.

1200020323132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225423748 (or 4225423746 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1200020323132 its reverse (2313230200021), we get a palindrome (3513250523153).

The spelling of 1200020323132 in words is "one trillion, two hundred billion, twenty million, three hundred twenty-three thousand, one hundred thirty-two".