10512320407 has 4 divisors (see below), whose sum is σ = 10969377840. Its totient is φ = 10055262976.

The previous prime is 10512320387. The next prime is 10512320417. The reversal of 10512320407 is 70402321501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70402321501 = 39451 ⋅1784551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10512320407 is a prime.

It is a super-2 number, since 2×10512320407² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10512320417) 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, 228528682 + ... + 228528727.

It is an arithmetic number, because the mean of its divisors is an integer number (2742344460).

Almost surely, 2^10512320407 is an apocalyptic number.

10512320407 is a deficient number, since it is larger than the sum of its proper divisors (457057433).

10512320407 is an equidigital number, since it uses as much as digits as its factorization.

10512320407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457057432.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 10512320407 its reverse (70402321501), we get a palindrome (80914641908).

The spelling of 10512320407 in words is "ten billion, five hundred twelve million, three hundred twenty thousand, four hundred seven".