12056410206505 has 16 divisors (see below), whose sum is σ = 16535078527104. Its totient is φ = 8266966162560.

The previous prime is 12056410206493. The next prime is 12056410206517. The reversal of 12056410206505 is 50560201465021.

It is an interprime number because it is at equal distance from previous prime (12056410206493) and next prime (12056410206517).

It is not a de Polignac number, because 12056410206505 - 2⁵ = 12056410206473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4943107 + ... + 6967576.

It is an arithmetic number, because the mean of its divisors is an integer number (1033442407944).

Almost surely, 2^{12056410206505} is an apocalyptic number.

It is an amenable number.

12056410206505 is a deficient number, since it is larger than the sum of its proper divisors (4478668320599).

12056410206505 is a wasteful number, since it uses less digits than its factorization.

12056410206505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11939616.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 12056410206505 in words is "twelve trillion, fifty-six billion, four hundred ten million, two hundred six thousand, five hundred five".