20101000012 has 12 divisors (see below), whose sum is σ = 35178309376. Its totient is φ = 10050054480.

The previous prime is 20100999913. The next prime is 20101000043. The reversal of 20101000012 is 21000010102.

It is a junction number, because it is equal to n+sod(n) for n = 20100999959 and 20101000004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3238 + ... + 200530.

Almost surely, 2^20101000012 is an apocalyptic number.

It is an amenable number.

20101000012 is a deficient number, since it is larger than the sum of its proper divisors (15077309364).

20101000012 is a wasteful number, since it uses less digits than its factorization.

20101000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222768 (or 222766 counting only the distinct ones).

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

Adding to 20101000012 its reverse (21000010102), we get a palindrome (41101010114).

The spelling of 20101000012 in words is "twenty billion, one hundred one million, twelve", and thus it is an aban number.