10001321234 has 8 divisors (see below), whose sum is σ = 15519291660. Its totient is φ = 4828224016.

The previous prime is 10001321191. The next prime is 10001321249. The reversal of 10001321234 is 43212310001.

It can be written as a sum of positive squares in 2 ways, for example, as 9752155009 + 249166225 = 98753^2 + 15785^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86218229 + ... + 86218344.

Almost surely, 2^10001321234 is an apocalyptic number.

10001321234 is a deficient number, since it is larger than the sum of its proper divisors (5517970426).

10001321234 is a wasteful number, since it uses less digits than its factorization.

10001321234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172436604.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10001321234 its reverse (43212310001), we get a palindrome (53213631235).

The spelling of 10001321234 in words is "ten billion, one million, three hundred twenty-one thousand, two hundred thirty-four".