2012302111122 has 24 divisors (see below), whose sum is σ = 4399987800780. Its totient is φ = 664613540640.

The previous prime is 2012302111111. The next prime is 2012302111181. The reversal of 2012302111122 is 2211112032102.

2012302111122 is a `hidden beast` number, since 201 + 230 + 2 + 111 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1847150091801 + 165152019321 = 1359099^2 + 406389^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2012302111095 and 2012302111104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 512817129 + ... + 512821052.

Almost surely, 2^{2012302111122} is an apocalyptic number.

2012302111122 is an abundant number, since it is smaller than the sum of its proper divisors (2387685689658).

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

2012302111122 is a wasteful number, since it uses less digits than its factorization.

2012302111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025638298 (or 1025638295 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2012302111122 its reverse (2211112032102), we get a palindrome (4223414143224).

The spelling of 2012302111122 in words is "two trillion, twelve billion, three hundred two million, one hundred eleven thousand, one hundred twenty-two".