1321411243142 has 32 divisors (see below), whose sum is σ = 2105854837632. Its totient is φ = 619725164544.

The previous prime is 1321411243109. The next prime is 1321411243153. The reversal of 1321411243142 is 2413421141231.

It is a super-2 number, since 2×1321411243142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51538358 + ... + 51563990.

It is an arithmetic number, because the mean of its divisors is an integer number (65807963676).

Almost surely, 2^{1321411243142} is an apocalyptic number.

1321411243142 is a deficient number, since it is larger than the sum of its proper divisors (784443594490).

1321411243142 is a wasteful number, since it uses less digits than its factorization.

1321411243142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30752.

The product of its digits is 4608, while the sum is 29.

Adding to 1321411243142 its reverse (2413421141231), we get a palindrome (3734832384373).

The spelling of 1321411243142 in words is "one trillion, three hundred twenty-one billion, four hundred eleven million, two hundred forty-three thousand, one hundred forty-two".