20001102010212 has 12 divisors (see below), whose sum is σ = 46669238023856. Its totient is φ = 6667034003400.

The previous prime is 20001102010151. The next prime is 20001102010319. The reversal of 20001102010212 is 21201020110002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1666758500851 = 20001102010212 / (2 + 0 + 0 + 0 + 1 + 1 + 0 + 2 + 0 + 1 + 0 + 2 + 1 + 2).

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, 833379250414 + ... + 833379250437.

Almost surely, 2^{20001102010212} is an apocalyptic number.

It is an amenable number.

20001102010212 is an abundant number, since it is smaller than the sum of its proper divisors (26668136013644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20001102010212 is a wasteful number, since it uses less digits than its factorization.

20001102010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666758500858 (or 1666758500856 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20001102010212 its reverse (21201020110002), we get a palindrome (41202122120214).

The spelling of 20001102010212 in words is "twenty trillion, one billion, one hundred two million, ten thousand, two hundred twelve".