20012100102212 has 12 divisors (see below), whose sum is σ = 35296932464640. Its totient is φ = 9927262255176.

The previous prime is 20012100102161. The next prime is 20012100102233. The reversal of 20012100102212 is 21220100121002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19696948412 + ... + 19696949427.

It is an arithmetic number, because the mean of its divisors is an integer number (2941411038720).

Almost surely, 2^{20012100102212} is an apocalyptic number.

It is an amenable number.

20012100102212 is a deficient number, since it is larger than the sum of its proper divisors (15284832362428).

20012100102212 is a wasteful number, since it uses less digits than its factorization.

20012100102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39393897970 (or 39393897968 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20012100102212 its reverse (21220100121002), we get a palindrome (41232200223214).

The spelling of 20012100102212 in words is "twenty trillion, twelve billion, one hundred million, one hundred two thousand, two hundred twelve".