2016120412506 has 64 divisors (see below), whose sum is σ = 4102704230400. Its totient is φ = 660405021696.

The previous prime is 2016120412489. The next prime is 2016120412517. The reversal of 2016120412506 is 6052140216102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143703900 + ... + 143717928.

It is an arithmetic number, because the mean of its divisors is an integer number (64104753600).

Almost surely, 2^{2016120412506} is an apocalyptic number.

2016120412506 is an abundant number, since it is smaller than the sum of its proper divisors (2086583817894).

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

2016120412506 is a wasteful number, since it uses less digits than its factorization.

2016120412506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15943.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 2016120412506 its reverse (6052140216102), we get a palindrome (8068260628608).

The spelling of 2016120412506 in words is "two trillion, sixteen billion, one hundred twenty million, four hundred twelve thousand, five hundred six".