2002103212 has 6 divisors (see below), whose sum is σ = 3503680628. Its totient is φ = 1001051604.

The previous prime is 2002103203. The next prime is 2002103219. The reversal of 2002103212 is 2123012002.

It is a junction number, because it is equal to n+sod(n) for n = 2002103192 and 2002103201.

It is not an unprimeable number, because it can be changed into a prime (2002103219) by changing a digit.

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, 250262898 + ... + 250262905.

Almost surely, 2^2002103212 is an apocalyptic number.

It is an amenable number.

2002103212 is a deficient number, since it is larger than the sum of its proper divisors (1501577416).

2002103212 is a wasteful number, since it uses less digits than its factorization.

2002103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500525807 (or 500525805 counting only the distinct ones).

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

The square root of 2002103212 is about 44744.8679962295. The cubic root of 2002103212 is about 1260.3625420176.

Adding to 2002103212 its reverse (2123012002), we get a palindrome (4125115214).

The spelling of 2002103212 in words is "two billion, two million, one hundred three thousand, two hundred twelve".