1243200404241 has 12 divisors (see below), whose sum is σ = 1797462259840. Its totient is φ = 828002572920.

The previous prime is 1243200404221. The next prime is 1243200404249. The reversal of 1243200404241 is 1424040023421.

1243200404241 is a `hidden beast` number, since 12 + 4 + 3 + 2 + 0 + 0 + 404 + 241 = 666.

It is not a de Polignac number, because 1243200404241 - 2⁶ = 1243200404177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243200404249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66464845 + ... + 66483546.

Almost surely, 2^{1243200404241} is an apocalyptic number.

It is an amenable number.

1243200404241 is a deficient number, since it is larger than the sum of its proper divisors (554261855599).

1243200404241 is a wasteful number, since it uses less digits than its factorization.

1243200404241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132949436 (or 132949433 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1243200404241 its reverse (1424040023421), we get a palindrome (2667240427662).

The spelling of 1243200404241 in words is "one trillion, two hundred forty-three billion, two hundred million, four hundred four thousand, two hundred forty-one".