1421312113242 has 96 divisors (see below), whose sum is σ = 3598646688000. Its totient is φ = 405254459232.

The previous prime is 1421312113229. The next prime is 1421312113253. The reversal of 1421312113242 is 2423112131241.

1421312113242 is a `hidden beast` number, since 1 + 4 + 21 + 312 + 1 + 1 + 324 + 2 = 666.

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 47 ways as a sum of consecutive naturals, for example, 2770384 + ... + 3243092.

It is an arithmetic number, because the mean of its divisors is an integer number (37485903000).

Almost surely, 2^{1421312113242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421312113242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1799323344000).

1421312113242 is an abundant number, since it is smaller than the sum of its proper divisors (2177334574758).

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

1421312113242 is a wasteful number, since it uses less digits than its factorization.

1421312113242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473225 (or 473208 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 1421312113242 its reverse (2423112131241), we get a palindrome (3844424244483).

The spelling of 1421312113242 in words is "one trillion, four hundred twenty-one billion, three hundred twelve million, one hundred thirteen thousand, two hundred forty-two".