12065530442 has 48 divisors (see below), whose sum is σ = 21953280960. Its totient is φ = 4871054016.

The previous prime is 12065530391. The next prime is 12065530453. The reversal of 12065530442 is 24403556021.

It is a junction number, because it is equal to n+sod(n) for n = 12065530399 and 12065530408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 897998 + ... + 911334.

It is an arithmetic number, because the mean of its divisors is an integer number (457360020).

Almost surely, 2^12065530442 is an apocalyptic number.

12065530442 is a deficient number, since it is larger than the sum of its proper divisors (9887750518).

12065530442 is a wasteful number, since it uses less digits than its factorization.

12065530442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13563 (or 13544 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 12065530442 in words is "twelve billion, sixty-five million, five hundred thirty thousand, four hundred forty-two".