1242430121310 has 128 divisors (see below), whose sum is σ = 3541349376000. Its totient is φ = 272978588160.

The previous prime is 1242430121297. The next prime is 1242430121347. The reversal of 1242430121310 is 131210342421.

It is a super-2 number, since 2×1242430121310² (a number of 25 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 329556 + ... + 1610424.

It is an arithmetic number, because the mean of its divisors is an integer number (27666792000).

Almost surely, 2^{1242430121310} is an apocalyptic number.

1242430121310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242430121310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770674688000).

1242430121310 is an abundant number, since it is smaller than the sum of its proper divisors (2298919254690).

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

1242430121310 is a wasteful number, since it uses less digits than its factorization.

1242430121310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281066.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1242430121310 its reverse (131210342421), we get a palindrome (1373640463731).

The spelling of 1242430121310 in words is "one trillion, two hundred forty-two billion, four hundred thirty million, one hundred twenty-one thousand, three hundred ten".