12211403042 has 16 divisors (see below), whose sum is σ = 19807234560. Its totient is φ = 5624275008.

The previous prime is 12211403023. The next prime is 12211403053. The reversal of 12211403042 is 24030411221.

It is a super-3 number, since 3×12211403042³ (a number of 31 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3819242 + ... + 3822437.

It is an arithmetic number, because the mean of its divisors is an integer number (1237952160).

Almost surely, 2^12211403042 is an apocalyptic number.

12211403042 is a deficient number, since it is larger than the sum of its proper divisors (7595831518).

12211403042 is a wasteful number, since it uses less digits than its factorization.

12211403042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7641745.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12211403042 its reverse (24030411221), we get a palindrome (36241814263).

The spelling of 12211403042 in words is "twelve billion, two hundred eleven million, four hundred three thousand, forty-two".