2103011212 has 24 divisors (see below), whose sum is σ = 3815426160. Its totient is φ = 1013046720.

The previous prime is 2103011179. The next prime is 2103011213. The reversal of 2103011212 is 2121103012.

It is a junction number, because it is equal to n+sod(n) for n = 2103011192 and 2103011201.

It is not an unprimeable number, because it can be changed into a prime (2103011213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34762 + ... + 73582.

It is an arithmetic number, because the mean of its divisors is an integer number (158976090).

Almost surely, 2^2103011212 is an apocalyptic number.

It is an amenable number.

2103011212 is a deficient number, since it is larger than the sum of its proper divisors (1712414948).

2103011212 is a wasteful number, since it uses less digits than its factorization.

2103011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39321 (or 39319 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2103011212 is about 45858.6001966916. The cubic root of 2103011212 is about 1281.1909512918.

Adding to 2103011212 its reverse (2121103012), we get a palindrome (4224114224).

The spelling of 2103011212 in words is "two billion, one hundred three million, eleven thousand, two hundred twelve".