100202012 has 24 divisors (see below), whose sum is σ = 189178416. Its totient is φ = 46262528.

The previous prime is 100202009. The next prime is 100202017. The reversal of 100202012 is 210202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202017) 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, 10298 + ... + 17505.

It is an arithmetic number, because the mean of its divisors is an integer number (7882434).

Almost surely, 2^100202012 is an apocalyptic number.

It is an amenable number.

100202012 is a deficient number, since it is larger than the sum of its proper divisors (88976404).

100202012 is a wasteful number, since it uses less digits than its factorization.

100202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27877 (or 27875 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 100202012 is about 10010.0955040399. The cubic root of 100202012 is about 464.4712253473.

Adding to 100202012 its reverse (210202001), we get a palindrome (310404013).

The spelling of 100202012 in words is "one hundred million, two hundred two thousand, twelve".