1200322002 has 48 divisors (see below), whose sum is σ = 2676115872. Its totient is φ = 355951680.

The previous prime is 1200321989. The next prime is 1200322003. The reversal of 1200322002 is 2002230021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200322003) 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 23 ways as a sum of consecutive naturals, for example, 141678 + ... + 149910.

It is an arithmetic number, because the mean of its divisors is an integer number (55752414).

Almost surely, 2^1200322002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200322002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338057936).

1200322002 is an abundant number, since it is smaller than the sum of its proper divisors (1475793870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200322002 is a wasteful number, since it uses less digits than its factorization.

1200322002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8343 (or 8296 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1200322002 is about 34645.6635381688. The cubic root of 1200322002 is about 1062.7536101779.

Adding to 1200322002 its reverse (2002230021), we get a palindrome (3202552023).

The spelling of 1200322002 in words is "one billion, two hundred million, three hundred twenty-two thousand, two".