12065014540 has 24 divisors (see below), whose sum is σ = 25432878240. Its totient is φ = 4807653888.

The previous prime is 12065014523. The next prime is 12065014561. The reversal of 12065014540 is 4541056021.

It is a super-2 number, since 2×12065014540² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12065014499 and 12065014508.

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, 1141605 + ... + 1152124.

It is an arithmetic number, because the mean of its divisors is an integer number (1059703260).

Almost surely, 2^12065014540 is an apocalyptic number.

12065014540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12065014540 is an abundant number, since it is smaller than the sum of its proper divisors (13367863700).

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

12065014540 is a wasteful number, since it uses less digits than its factorization.

12065014540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294001 (or 2293999 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 12065014540 in words is "twelve billion, sixty-five million, fourteen thousand, five hundred forty".