12042124022 has 16 divisors (see below), whose sum is σ = 18572065344. Its totient is φ = 5852520000.

The previous prime is 12042123967. The next prime is 12042124033. The reversal of 12042124022 is 22042124021.

It is a super-2 number, since 2×12042124022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12042123985 and 12042124003.

It is a congruent number.

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, 248729 + ... + 293172.

It is an arithmetic number, because the mean of its divisors is an integer number (1160754084).

Almost surely, 2^12042124022 is an apocalyptic number.

12042124022 is a deficient number, since it is larger than the sum of its proper divisors (6529941322).

12042124022 is a wasteful number, since it uses less digits than its factorization.

12042124022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542215.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12042124022 its reverse (22042124021), we get a palindrome (34084248043).

Subtracting 12042124022 from its reverse (22042124021), we obtain a palindrome (9999999999).

The spelling of 12042124022 in words is "twelve billion, forty-two million, one hundred twenty-four thousand, twenty-two".