202812102 has 12 divisors (see below), whose sum is σ = 439426260. Its totient is φ = 67604028.

The previous prime is 202812101. The next prime is 202812107. The reversal of 202812102 is 201218202.

It is a happy number.

202812102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202812102² = 82265497435316808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11267339 = 202812102 / (2 + 0 + 2 + 8 + 1 + 2 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202812101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5633652 + ... + 5633687.

It is an arithmetic number, because the mean of its divisors is an integer number (36618855).

Almost surely, 2^202812102 is an apocalyptic number.

202812102 is an abundant number, since it is smaller than the sum of its proper divisors (236614158).

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

202812102 is a wasteful number, since it uses less digits than its factorization.

202812102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11267347 (or 11267344 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 202812102 is about 14241.2113951026. The cubic root of 202812102 is about 587.5316797162.

The spelling of 202812102 in words is "two hundred two million, eight hundred twelve thousand, one hundred two".