1112123030202 has 24 divisors (see below), whose sum is σ = 2409619991220. Its totient is φ = 370704585600.

The previous prime is 1112123030201. The next prime is 1112123030233. The reversal of 1112123030202 is 2020303212111.

1112123030202 is a `hidden beast` number, since 11 + 121 + 230 + 302 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1035918875601 + 76204154601 = 1017801^2 + 276051^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1112123030201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3257202 + ... + 3582402.

Almost surely, 2^{1112123030202} is an apocalyptic number.

1112123030202 is an abundant number, since it is smaller than the sum of its proper divisors (1297496961018).

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

1112123030202 is a wasteful number, since it uses less digits than its factorization.

1112123030202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515198 (or 515195 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1112123030202 its reverse (2020303212111), we get a palindrome (3132426242313).

The spelling of 1112123030202 in words is "one trillion, one hundred twelve billion, one hundred twenty-three million, thirty thousand, two hundred two".