202102212013 has 24 divisors (see below), whose sum is σ = 230468150400. Its totient is φ = 176656132224.

The previous prime is 202102211989. The next prime is 202102212017. The reversal of 202102212013 is 310212201202.

It is a happy number.

It is not a de Polignac number, because 202102212013 - 2⁵ = 202102211981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102212017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7619308 + ... + 7645786.

It is an arithmetic number, because the mean of its divisors is an integer number (9602839600).

Almost surely, 2^202102212013 is an apocalyptic number.

It is an amenable number.

202102212013 is a deficient number, since it is larger than the sum of its proper divisors (28365938387).

202102212013 is a wasteful number, since it uses less digits than its factorization.

202102212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28901 (or 28888 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 202102212013 its reverse (310212201202), we get a palindrome (512314413215).

The spelling of 202102212013 in words is "two hundred two billion, one hundred two million, two hundred twelve thousand, thirteen".