2002201312 has 24 divisors (see below), whose sum is σ = 3942831816. Its totient is φ = 1000847232.

The previous prime is 2002201307. The next prime is 2002201351. The reversal of 2002201312 is 2131022002.

It is a junction number, because it is equal to n+sod(n) for n = 2002201292 and 2002201301.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 236578 + ... + 244894.

It is an arithmetic number, because the mean of its divisors is an integer number (164284659).

Almost surely, 2^2002201312 is an apocalyptic number.

It is an amenable number.

2002201312 is a deficient number, since it is larger than the sum of its proper divisors (1940630504).

2002201312 is an equidigital number, since it uses as much as digits as its factorization.

2002201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15850 (or 15842 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2002201312 is about 44745.9641979028. The cubic root of 2002201312 is about 1260.3831269614.

Adding to 2002201312 its reverse (2131022002), we get a palindrome (4133223314).

The spelling of 2002201312 in words is "two billion, two million, two hundred one thousand, three hundred twelve".