2120110110012 has 48 divisors (see below), whose sum is σ = 5018446540800. Its totient is φ = 696553698240.

The previous prime is 2120110110011. The next prime is 2120110110029. The reversal of 2120110110012 is 2100110110212.

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 2120110110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120110110011) 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, 3993312 + ... + 4492967.

It is an arithmetic number, because the mean of its divisors is an integer number (104550969600).

Almost surely, 2^{2120110110012} is an apocalyptic number.

It is an amenable number.

2120110110012 is an abundant number, since it is smaller than the sum of its proper divisors (2898336430788).

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

2120110110012 is a wasteful number, since it uses less digits than its factorization.

2120110110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8486586 (or 8486584 counting only the distinct ones).

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

Adding to 2120110110012 its reverse (2100110110212), we get a palindrome (4220220220224).

The spelling of 2120110110012 in words is "two trillion, one hundred twenty billion, one hundred ten million, one hundred ten thousand, twelve".