12061564534 has 8 divisors (see below), whose sum is σ = 19044575640. Its totient is φ = 5713372656.

The previous prime is 12061564519. The next prime is 12061564601. The reversal of 12061564534 is 43546516021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12061564493 and 12061564502.

It is a congruent number.

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, 158704759 + ... + 158704834.

It is an arithmetic number, because the mean of its divisors is an integer number (2380571955).

Almost surely, 2^12061564534 is an apocalyptic number.

12061564534 is a deficient number, since it is larger than the sum of its proper divisors (6983011106).

12061564534 is a wasteful number, since it uses less digits than its factorization.

12061564534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317409614.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 12061564534 in words is "twelve billion, sixty-one million, five hundred sixty-four thousand, five hundred thirty-four".