12703821034564 has 27 divisors (see below), whose sum is σ = 24436633029823. Its totient is φ = 5774428464200.

The previous prime is 12703821034561. The next prime is 12703821034637. The reversal of 12703821034564 is 46543012830721.

The square root of 12703821034564 is 3564242.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×12703821034564² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12703821034561) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 78332319 + ... + 78494329.

Almost surely, 2^{12703821034564} is an apocalyptic number.

12703821034564 is the 3564242-nd square number.

It is an amenable number.

12703821034564 is a deficient number, since it is larger than the sum of its proper divisors (11732811995259).

12703821034564 is an frugal number, since it uses more digits than its factorization.

12703821034564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324048 (or 162024 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 12703821034564 in words is "twelve trillion, seven hundred three billion, eight hundred twenty-one million, thirty-four thousand, five hundred sixty-four".