1242430121311 has 8 divisors (see below), whose sum is σ = 1315959783264. Its totient is φ = 1168949963520.

The previous prime is 1242430121297. The next prime is 1242430121347. The reversal of 1242430121311 is 1131210342421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1242430121311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242430121011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12324355 + ... + 12424756.

It is an arithmetic number, because the mean of its divisors is an integer number (164494972908).

Almost surely, 2^{1242430121311} is an apocalyptic number.

1242430121311 is a deficient number, since it is larger than the sum of its proper divisors (73529661953).

1242430121311 is a wasteful number, since it uses less digits than its factorization.

1242430121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24752081.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1242430121311 its reverse (1131210342421), we get a palindrome (2373640463732).

The spelling of 1242430121311 in words is "one trillion, two hundred forty-two billion, four hundred thirty million, one hundred twenty-one thousand, three hundred eleven".