2012121112110 has 16 divisors (see below), whose sum is σ = 4829090669136. Its totient is φ = 536565629888.

The previous prime is 2012121112039. The next prime is 2012121112121. The reversal of 2012121112110 is 112111212102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2012121112110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33535351839 + ... + 33535351898.

It is an arithmetic number, because the mean of its divisors is an integer number (301818166821).

Almost surely, 2^{2012121112110} is an apocalyptic number.

2012121112110 is an abundant number, since it is smaller than the sum of its proper divisors (2816969557026).

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

2012121112110 is a wasteful number, since it uses less digits than its factorization.

2012121112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67070703747.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2012121112110 its reverse (112111212102), we get a palindrome (2124232324212).

The spelling of 2012121112110 in words is "two trillion, twelve billion, one hundred twenty-one million, one hundred twelve thousand, one hundred ten".