10000343121 has 16 divisors (see below), whose sum is σ = 14002157184. Its totient is φ = 6336405504.

The previous prime is 10000343099. The next prime is 10000343123. The reversal of 10000343121 is 12134300001.

It is not a de Polignac number, because 10000343121 - 2⁷ = 10000342993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10000343121.

It is not an unprimeable number, because it can be changed into a prime (10000343123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450736 + ... + 472401.

It is an arithmetic number, because the mean of its divisors is an integer number (875134824).

Almost surely, 2^10000343121 is an apocalyptic number.

It is an amenable number.

10000343121 is a deficient number, since it is larger than the sum of its proper divisors (4001814063).

10000343121 is a wasteful number, since it uses less digits than its factorization.

10000343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923320.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10000343121 its reverse (12134300001), we get a palindrome (22134643122).

The spelling of 10000343121 in words is "ten billion, three hundred forty-three thousand, one hundred twenty-one".