1242324134144 has 36 divisors (see below), whose sum is σ = 2488747911804. Its totient is φ = 618919569408.

The previous prime is 1242324134143. The next prime is 1242324134153. The reversal of 1242324134144 is 4414314232421.

It can be written as a sum of positive squares in 2 ways, for example, as 682461036544 + 559863097600 = 826112^2 + 748240^2 .

It is a super-2 number, since 2×1242324134144² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242324134141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8688707 + ... + 8830530.

It is an arithmetic number, because the mean of its divisors is an integer number (69131886439).

Almost surely, 2^{1242324134144} is an apocalyptic number.

It is an amenable number.

1242324134144 is an abundant number, since it is smaller than the sum of its proper divisors (1246423777660).

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

1242324134144 is an equidigital number, since it uses as much as digits as its factorization.

1242324134144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17519530 (or 17519516 counting only the distinct ones).

The product of its digits is 73728, while the sum is 35.

Adding to 1242324134144 its reverse (4414314232421), we get a palindrome (5656638366565).

The spelling of 1242324134144 in words is "one trillion, two hundred forty-two billion, three hundred twenty-four million, one hundred thirty-four thousand, one hundred forty-four".