12200003442 has 48 divisors (see below), whose sum is σ = 28844232768. Its totient is φ = 3695963040.

The previous prime is 12200003399. The next prime is 12200003447. The reversal of 12200003442 is 24430000221.

12200003442 is a `hidden beast` number, since 1 + 220 + 0 + 0 + 0 + 3 + 442 = 666.

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 (12200003447) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1066083 + ... + 1077465.

It is an arithmetic number, because the mean of its divisors is an integer number (600921516).

Almost surely, 2^12200003442 is an apocalyptic number.

12200003442 is an abundant number, since it is smaller than the sum of its proper divisors (16644229326).

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

12200003442 is a wasteful number, since it uses less digits than its factorization.

12200003442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16815 (or 16812 counting only the distinct ones).

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

Adding to 12200003442 its reverse (24430000221), we get a palindrome (36630003663).

The spelling of 12200003442 in words is "twelve billion, two hundred million, three thousand, four hundred forty-two".