20012210102112 has 96 divisors (see below), whose sum is σ = 55822975522272. Its totient is φ = 6255674793984.

The previous prime is 20012210102099. The next prime is 20012210102161. The reversal of 20012210102112 is 21120101221002.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 20012210102091 and 20012210102100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21682203 + ... + 22586330.

It is an arithmetic number, because the mean of its divisors is an integer number (581489328357).

Almost surely, 2^{20012210102112} is an apocalyptic number.

It is an amenable number.

20012210102112 is an abundant number, since it is smaller than the sum of its proper divisors (35810765420160).

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

20012210102112 is a wasteful number, since it uses less digits than its factorization.

20012210102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44268840 (or 44268832 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20012210102112 its reverse (21120101221002), we get a palindrome (41132311323114).

The spelling of 20012210102112 in words is "twenty trillion, twelve billion, two hundred ten million, one hundred two thousand, one hundred twelve".