2012121120112 has 40 divisors (see below), whose sum is σ = 3911097153920. Its totient is φ = 1002810110400.

The previous prime is 2012121120083. The next prime is 2012121120169. The reversal of 2012121120112 is 2110211212102.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 7245943 + ... + 7518505.

It is an arithmetic number, because the mean of its divisors is an integer number (97777428848).

Almost surely, 2^{2012121120112} is an apocalyptic number.

It is an amenable number.

2012121120112 is a deficient number, since it is larger than the sum of its proper divisors (1898976033808).

2012121120112 is a wasteful number, since it uses less digits than its factorization.

2012121120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274061 (or 274055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2012121120112 its reverse (2110211212102), we get a palindrome (4122332332214).

The spelling of 2012121120112 in words is "two trillion, twelve billion, one hundred twenty-one million, one hundred twenty thousand, one hundred twelve".