2012101222128 has 40 divisors (see below), whose sum is σ = 5198229234000. Its totient is φ = 670661558784.

The previous prime is 2012101222093. The next prime is 2012101222129. The reversal of 2012101222128 is 8212221012102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2012101222098 and 2012101222107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012101222129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370653 + ... + 2039996.

It is an arithmetic number, because the mean of its divisors is an integer number (129955730850).

Almost surely, 2^{2012101222128} is an apocalyptic number.

It is an amenable number.

2012101222128 is an abundant number, since it is smaller than the sum of its proper divisors (3186128011872).

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

2012101222128 is a wasteful number, since it uses less digits than its factorization.

2012101222128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428049 (or 2428043 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The spelling of 2012101222128 in words is "two trillion, twelve billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-eight".