202103212 has 24 divisors (see below), whose sum is σ = 358831872. Its totient is φ = 99590400.

The previous prime is 202103189. The next prime is 202103219. The reversal of 202103212 is 212301202.

202103212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202103192 and 202103201.

It is not an unprimeable number, because it can be changed into a prime (202103219) 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, 85162 + ... + 87502.

It is an arithmetic number, because the mean of its divisors is an integer number (14951328).

Almost surely, 2^202103212 is an apocalyptic number.

It is an amenable number.

202103212 is a deficient number, since it is larger than the sum of its proper divisors (156728660).

202103212 is a wasteful number, since it uses less digits than its factorization.

202103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2647 counting only the distinct ones).

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

The square root of 202103212 is about 14216.3009253462. The cubic root of 202103212 is about 586.8463466220.

Adding to 202103212 its reverse (212301202), we get a palindrome (414404414).

The spelling of 202103212 in words is "two hundred two million, one hundred three thousand, two hundred twelve".