1002012320000 has 90 divisors (see below), whose sum is σ = 2499338516598. Its totient is φ = 400804864000.

The previous prime is 1002012319909. The next prime is 1002012320059. The reversal of 1002012320000 is 232102001.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 312740429824 + 689271890176 = 559232^2 + 830224^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2971289 + ... + 3291288.

Almost surely, 2^{1002012320000} is an apocalyptic number.

1002012320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002012320000 is an abundant number, since it is smaller than the sum of its proper divisors (1497326196598).

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

1002012320000 is an frugal number, since it uses more digits than its factorization.

1002012320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262613 (or 6262584 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1002012320000 its reverse (232102001), we get a palindrome (1002244422001).

The spelling of 1002012320000 in words is "one trillion, two billion, twelve million, three hundred twenty thousand".