2012111120 has 40 divisors (see below), whose sum is σ = 4706889216. Its totient is φ = 799901568.

The previous prime is 2012111113. The next prime is 2012111131. The reversal of 2012111120 is 211112102.

It is a tau number, because it is divible by the number of its divisors (40).

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, 64112 + ... + 90191.

Almost surely, 2^2012111120 is an apocalyptic number.

2012111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012111120 is an abundant number, since it is smaller than the sum of its proper divisors (2694778096).

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

2012111120 is a wasteful number, since it uses less digits than its factorization.

2012111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154479 (or 154473 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2012111120 is about 44856.5616158885. The cubic root of 2012111120 is about 1262.4591094818.

Adding to 2012111120 its reverse (211112102), we get a palindrome (2223223222).

The spelling of 2012111120 in words is "two billion, twelve million, one hundred eleven thousand, one hundred twenty".