2103420012 has 24 divisors (see below), whose sum is σ = 5121371136. Its totient is φ = 670655568.

The previous prime is 2103420001. The next prime is 2103420073. The reversal of 2103420012 is 2100243012.

It is a junction number, because it is equal to n+sod(n) for n = 2103419973 and 2103420000.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3810268 + ... + 3810819.

It is an arithmetic number, because the mean of its divisors is an integer number (213390464).

Almost surely, 2^2103420012 is an apocalyptic number.

It is an amenable number.

2103420012 is an abundant number, since it is smaller than the sum of its proper divisors (3017951124).

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

2103420012 is a wasteful number, since it uses less digits than its factorization.

2103420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621117 (or 7621115 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2103420012 is about 45863.0571593303. The cubic root of 2103420012 is about 1281.2739619330.

Adding to 2103420012 its reverse (2100243012), we get a palindrome (4203663024).

The spelling of 2103420012 in words is "two billion, one hundred three million, four hundred twenty thousand, twelve".