10001200309994 has 4 divisors (see below), whose sum is σ = 15001800464994. Its totient is φ = 5000600154996.

The previous prime is 10001200309949. The next prime is 10001200310011. The reversal of 10001200309994 is 49990300210001.

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

It can be written as a sum of positive squares in only one way, i.e., 7501370532769 + 2499829777225 = 2738863^2 + 1581085^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500300077497 + ... + 2500300077500.

Almost surely, 2^{10001200309994} is an apocalyptic number.

10001200309994 is a deficient number, since it is larger than the sum of its proper divisors (5000600155000).

10001200309994 is an equidigital number, since it uses as much as digits as its factorization.

10001200309994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000600154999.

The product of its (nonzero) digits is 17496, while the sum is 38.

Adding to 10001200309994 its reverse (49990300210001), we get a palindrome (59991500519995).

The spelling of 10001200309994 in words is "ten trillion, one billion, two hundred million, three hundred nine thousand, nine hundred ninety-four".