12200030442 has 12 divisors (see below), whose sum is σ = 26433399330. Its totient is φ = 4066676808.

The previous prime is 12200030419. The next prime is 12200030459. The reversal of 12200030442 is 24403000221.

12200030442 is a `hidden beast` number, since 1 + 220 + 0 + 0 + 3 + 0 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9455423121 + 2744607321 = 97239^2 + 52389^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 677779469 = 12200030442 / (1 + 2 + 2 + 0 + 0 + 0 + 3 + 0 + 4 + 4 + 2).

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 5 ways as a sum of consecutive naturals, for example, 338889717 + ... + 338889752.

Almost surely, 2^12200030442 is an apocalyptic number.

12200030442 is an abundant number, since it is smaller than the sum of its proper divisors (14233368888).

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

12200030442 is a wasteful number, since it uses less digits than its factorization.

12200030442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677779477 (or 677779474 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12200030442 its reverse (24403000221), we get a palindrome (36603030663).

The spelling of 12200030442 in words is "twelve billion, two hundred million, thirty thousand, four hundred forty-two".