10643503123112 has 16 divisors (see below), whose sum is σ = 20032448847840. Its totient is φ = 5301516763696.

The previous prime is 10643503123103. The next prime is 10643503123171. The reversal of 10643503123112 is 21132130534601.

It is a super-2 number, since 2×10643503123112² (a number of 27 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, 2529347498 + ... + 2529351705.

It is an arithmetic number, because the mean of its divisors is an integer number (1252028052990).

Almost surely, 2^{10643503123112} is an apocalyptic number.

It is an amenable number.

10643503123112 is a deficient number, since it is larger than the sum of its proper divisors (9388945724728).

10643503123112 is a wasteful number, since it uses less digits than its factorization.

10643503123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058699472 (or 5058699468 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 10643503123112 its reverse (21132130534601), we get a palindrome (31775633657713).

The spelling of 10643503123112 in words is "ten trillion, six hundred forty-three billion, five hundred three million, one hundred twenty-three thousand, one hundred twelve".