2012170151205 has 80 divisors (see below), whose sum is σ = 3742071168000. Its totient is φ = 1033319358720.

The previous prime is 2012170151179. The next prime is 2012170151261. The reversal of 2012170151205 is 5021510712102.

2012170151205 is a `hidden beast` number, since 20 + 121 + 7 + 0 + 1 + 512 + 0 + 5 = 666.

It is not a de Polignac number, because 2012170151205 - 2⁷ = 2012170151077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2095761 + ... + 2901129.

It is an arithmetic number, because the mean of its divisors is an integer number (46775889600).

Almost surely, 2^{2012170151205} is an apocalyptic number.

It is an amenable number.

2012170151205 is a deficient number, since it is larger than the sum of its proper divisors (1729901016795).

2012170151205 is a wasteful number, since it uses less digits than its factorization.

2012170151205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805616 (or 805607 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

Adding to 2012170151205 its reverse (5021510712102), we get a palindrome (7033680863307).

The spelling of 2012170151205 in words is "two trillion, twelve billion, one hundred seventy million, one hundred fifty-one thousand, two hundred five".