12016311464465 has 32 divisors (see below), whose sum is σ = 18056847227904. Its totient is φ = 7457688987840.

The previous prime is 12016311464419. The next prime is 12016311464471. The reversal of 12016311464465 is 56446411361021.

It is not a de Polignac number, because 12016311464465 - 2³⁴ = 11999131595281 is a prime.

It is a super-2 number, since 2×12016311464465² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68659739 + ... + 68834528.

It is an arithmetic number, because the mean of its divisors is an integer number (564276475872).

Almost surely, 2^{12016311464465} is an apocalyptic number.

It is an amenable number.

12016311464465 is a deficient number, since it is larger than the sum of its proper divisors (6040535763439).

12016311464465 is a wasteful number, since it uses less digits than its factorization.

12016311464465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137494517.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 12016311464465 in words is "twelve trillion, sixteen billion, three hundred eleven million, four hundred sixty-four thousand, four hundred sixty-five".