20211012010012 has 6 divisors (see below), whose sum is σ = 35369271017528. Its totient is φ = 10105506005004.

The previous prime is 20211012009989. The next prime is 20211012010069. The reversal of 20211012010012 is 21001021011202.

It is a junction number, because it is equal to n+sod(n) for n = 20211012009974 and 20211012010001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526376501248 + ... + 2526376501255.

Almost surely, 2^{20211012010012} is an apocalyptic number.

It is an amenable number.

20211012010012 is a deficient number, since it is larger than the sum of its proper divisors (15158259007516).

20211012010012 is a wasteful number, since it uses less digits than its factorization.

20211012010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052753002507 (or 5052753002505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20211012010012 its reverse (21001021011202), we get a palindrome (41212033021214).

The spelling of 20211012010012 in words is "twenty trillion, two hundred eleven billion, twelve million, ten thousand, twelve".