1211411124142 has 32 divisors (see below), whose sum is σ = 1925173504800. Its totient is φ = 570111395328.

The previous prime is 1211411124073. The next prime is 1211411124173. The reversal of 1211411124142 is 2414211141121.

It is a super-4 number, since 4×1211411124142⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3896584 + ... + 4195972.

It is an arithmetic number, because the mean of its divisors is an integer number (60161672025).

Almost surely, 2^{1211411124142} is an apocalyptic number.

1211411124142 is a deficient number, since it is larger than the sum of its proper divisors (713762380658).

1211411124142 is a wasteful number, since it uses less digits than its factorization.

1211411124142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300100.

The product of its digits is 512, while the sum is 25.

Adding to 1211411124142 its reverse (2414211141121), we get a palindrome (3625622265263).

The spelling of 1211411124142 in words is "one trillion, two hundred eleven billion, four hundred eleven million, one hundred twenty-four thousand, one hundred forty-two".