10521334312 has 16 divisors (see below), whose sum is σ = 19965183840. Its totient is φ = 5197285296.

The previous prime is 10521334301. The next prime is 10521334321. The reversal of 10521334312 is 21343312501.

It is a happy number.

It is a super-2 number, since 2×10521334312² (a number of 21 digits) contains 22 as substring.

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, 7922028 + ... + 7923355.

It is an arithmetic number, because the mean of its divisors is an integer number (1247823990).

Almost surely, 2^10521334312 is an apocalyptic number.

It is an amenable number.

10521334312 is a deficient number, since it is larger than the sum of its proper divisors (9443849528).

10521334312 is a wasteful number, since it uses less digits than its factorization.

10521334312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15845472 (or 15845468 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 10521334312 its reverse (21343312501), we get a palindrome (31864646813).

The spelling of 10521334312 in words is "ten billion, five hundred twenty-one million, three hundred thirty-four thousand, three hundred twelve".