10505213252 has 12 divisors (see below), whose sum is σ = 18428002320. Its totient is φ = 5240069736.

The previous prime is 10505213239. The next prime is 10505213273. The reversal of 10505213252 is 25231250501.

It is a super-2 number, since 2×10505213252² (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, 3132338 + ... + 3135689.

It is an arithmetic number, because the mean of its divisors is an integer number (1535666860).

Almost surely, 2^10505213252 is an apocalyptic number.

It is an amenable number.

10505213252 is a deficient number, since it is larger than the sum of its proper divisors (7922789068).

10505213252 is a wasteful number, since it uses less digits than its factorization.

10505213252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268450 (or 6268448 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 10505213252 its reverse (25231250501), we get a palindrome (35736463753).

The spelling of 10505213252 in words is "ten billion, five hundred five million, two hundred thirteen thousand, two hundred fifty-two".