1242430121312 has 12 divisors (see below), whose sum is σ = 2446034301396. Its totient is φ = 621215060640.

The previous prime is 1242430121297. The next prime is 1242430121347. The reversal of 1242430121312 is 2131210342421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19412970614 + ... + 19412970677.

It is an arithmetic number, because the mean of its divisors is an integer number (203836191783).

Almost surely, 2^{1242430121312} is an apocalyptic number.

It is an amenable number.

1242430121312 is a deficient number, since it is larger than the sum of its proper divisors (1203604180084).

1242430121312 is an equidigital number, since it uses as much as digits as its factorization.

1242430121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38825941301 (or 38825941293 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1242430121312 its reverse (2131210342421), we get a palindrome (3373640463733).

The spelling of 1242430121312 in words is "one trillion, two hundred forty-two billion, four hundred thirty million, one hundred twenty-one thousand, three hundred twelve".