2012121033112 has 64 divisors (see below), whose sum is σ = 3817254340800. Its totient is φ = 994243461120.

The previous prime is 2012121033067. The next prime is 2012121033113. The reversal of 2012121033112 is 2113301212102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012121033112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012121033113) 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, 529921998 + ... + 529925794.

It is an arithmetic number, because the mean of its divisors is an integer number (59644599075).

Almost surely, 2^{2012121033112} is an apocalyptic number.

It is an amenable number.

2012121033112 is a deficient number, since it is larger than the sum of its proper divisors (1805133307688).

2012121033112 is a wasteful number, since it uses less digits than its factorization.

2012121033112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476 (or 5472 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2012121033112 its reverse (2113301212102), we get a palindrome (4125422245214).

The spelling of 2012121033112 in words is "two trillion, twelve billion, one hundred twenty-one million, thirty-three thousand, one hundred twelve".