12705286363540 has 24 divisors (see below), whose sum is σ = 26682161909760. Its totient is φ = 5081912536608.

The previous prime is 12705286363499. The next prime is 12705286363577. The reversal of 12705286363540 is 4536368250721.

It is a super-2 number, since 2×12705286363540² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12109300 + ... + 13116619.

It is an arithmetic number, because the mean of its divisors is an integer number (1111756746240).

Almost surely, 2^{12705286363540} is an apocalyptic number.

12705286363540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12705286363540 is an abundant number, since it is smaller than the sum of its proper divisors (13976875546220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12705286363540 is a wasteful number, since it uses less digits than its factorization.

12705286363540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25251111 (or 25251109 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 12705286363540 in words is "twelve trillion, seven hundred five billion, two hundred eighty-six million, three hundred sixty-three thousand, five hundred forty".