202102012 has 96 divisors (see below), whose sum is σ = 451584000. Its totient is φ = 77153472.

The previous prime is 202102003. The next prime is 202102039. The reversal of 202102012 is 210201202.

It is a self number, because there is not a number n which added to its sum of digits gives 202102012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015489 + ... + 1015687.

It is an arithmetic number, because the mean of its divisors is an integer number (4704000).

Almost surely, 2^202102012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202102012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225792000).

202102012 is an abundant number, since it is smaller than the sum of its proper divisors (249481988).

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

202102012 is a wasteful number, since it uses less digits than its factorization.

202102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 202102012 is about 14216.2587202119. The cubic root of 202102012 is about 586.8451851411.

Adding to 202102012 its reverse (210201202), we get a palindrome (412303214).

It can be divided in two parts, 20210 and 2012, that added together give a palindrome (22222).

The spelling of 202102012 in words is "two hundred two million, one hundred two thousand, twelve".