100201012 has 6 divisors (see below), whose sum is σ = 175351778. Its totient is φ = 50100504.

The previous prime is 100200967. The next prime is 100201037. The reversal of 100201012 is 210102001.

It can be written as a sum of positive squares in only one way, i.e., 93779856 + 6421156 = 9684^2 + 2534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100200986 and 100201004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12525123 + ... + 12525130.

Almost surely, 2^100201012 is an apocalyptic number.

It is an amenable number.

100201012 is a deficient number, since it is larger than the sum of its proper divisors (75150766).

100201012 is a wasteful number, since it uses less digits than its factorization.

100201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25050257 (or 25050255 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 100201012 is about 10010.0455543419. The cubic root of 100201012 is about 464.4696802261.

Adding to 100201012 its reverse (210102001), we get a palindrome (310303013).

The spelling of 100201012 in words is "one hundred million, two hundred one thousand, twelve".