1242343336552 has 32 divisors (see below), whose sum is σ = 2344090129920. Its totient is φ = 617255010880.

The previous prime is 1242343336519. The next prime is 1242343336579. The reversal of 1242343336552 is 2556333432421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1242343336499 and 1242343336508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4084302 + ... + 4377922.

It is an arithmetic number, because the mean of its divisors is an integer number (73252816560).

Almost surely, 2^{1242343336552} is an apocalyptic number.

It is an amenable number.

1242343336552 is a deficient number, since it is larger than the sum of its proper divisors (1101746793368).

1242343336552 is a wasteful number, since it uses less digits than its factorization.

1242343336552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296961 (or 296957 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 43.

Adding to 1242343336552 its reverse (2556333432421), we get a palindrome (3798676768973).

The spelling of 1242343336552 in words is "one trillion, two hundred forty-two billion, three hundred forty-three million, three hundred thirty-six thousand, five hundred fifty-two".