1204102310243 has 4 divisors (see below), whose sum is σ = 1376116926000. Its totient is φ = 1032087694488.

The previous prime is 1204102310179. The next prime is 1204102310261. The reversal of 1204102310243 is 3420132014021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1204102310243 - 2⁶ = 1204102310179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204102310843) 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, 86007307868 + ... + 86007307881.

It is an arithmetic number, because the mean of its divisors is an integer number (344029231500).

Almost surely, 2^{1204102310243} is an apocalyptic number.

1204102310243 is a deficient number, since it is larger than the sum of its proper divisors (172014615757).

1204102310243 is an equidigital number, since it uses as much as digits as its factorization.

1204102310243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172014615756.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1204102310243 its reverse (3420132014021), we get a palindrome (4624234324264).

The spelling of 1204102310243 in words is "one trillion, two hundred four billion, one hundred two million, three hundred ten thousand, two hundred forty-three".