202021210212 has 24 divisors (see below), whose sum is σ = 487637404800. Its totient is φ = 65018320416.

The previous prime is 202021210207. The next prime is 202021210213. The reversal of 202021210212 is 212012120202.

It is a junction number, because it is equal to n+sod(n) for n = 202021210191 and 202021210200.

It is not an unprimeable number, because it can be changed into a prime (202021210213) 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, 290260012 + ... + 290260707.

It is an arithmetic number, because the mean of its divisors is an integer number (20318225200).

Almost surely, 2^202021210212 is an apocalyptic number.

It is an amenable number.

202021210212 is an abundant number, since it is smaller than the sum of its proper divisors (285616194588).

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

202021210212 is a wasteful number, since it uses less digits than its factorization.

202021210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580520755 (or 580520753 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202021210212 its reverse (212012120202), we get a palindrome (414033330414).

The spelling of 202021210212 in words is "two hundred two billion, twenty-one million, two hundred ten thousand, two hundred twelve".