20101210110012 has 48 divisors (see below), whose sum is σ = 47011190885120. Its totient is φ = 6684923323008.

The previous prime is 20101210109987. The next prime is 20101210110013. The reversal of 20101210110012 is 21001101210102.

It is a super-3 number, since 3×20101210110012³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20101210110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101210110013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299836848 + ... + 299903880.

Almost surely, 2^{20101210110012} is an apocalyptic number.

It is an amenable number.

20101210110012 is an abundant number, since it is smaller than the sum of its proper divisors (26909980775108).

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

20101210110012 is a wasteful number, since it uses less digits than its factorization.

20101210110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124402 (or 124400 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20101210110012 its reverse (21001101210102), we get a palindrome (41102311320114).

The spelling of 20101210110012 in words is "twenty trillion, one hundred one billion, two hundred ten million, one hundred ten thousand, twelve".