201012100200009 has 24 divisors (see below), whose sum is σ = 332086930606080. Its totient is φ = 114774946227648.

The previous prime is 201012100200001. The next prime is 201012100200157. The reversal of 201012100200009 is 900002001210102.

It is not a de Polignac number, because 201012100200009 - 2³ = 201012100200001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201012100199964 and 201012100200000.

It is not an unprimeable number, because it can be changed into a prime (201012100200001) 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, 1237571337 + ... + 1237733750.

It is an arithmetic number, because the mean of its divisors is an integer number (13836955441920).

Almost surely, 2^{201012100200009} is an apocalyptic number.

It is an amenable number.

201012100200009 is a deficient number, since it is larger than the sum of its proper divisors (131074830406071).

201012100200009 is a wasteful number, since it uses less digits than its factorization.

201012100200009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475306389 (or 2475306386 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 201012100200009 in words is "two hundred one trillion, twelve billion, one hundred million, two hundred thousand, nine".