2012021122170 has 16 divisors (see below), whose sum is σ = 4828850693280. Its totient is φ = 536538965904.

The previous prime is 2012021122151. The next prime is 2012021122171. The reversal of 2012021122170 is 712211202102.

It is not an unprimeable number, because it can be changed into a prime (2012021122171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33533685340 + ... + 33533685399.

It is an arithmetic number, because the mean of its divisors is an integer number (301803168330).

Almost surely, 2^{2012021122170} is an apocalyptic number.

2012021122170 is an abundant number, since it is smaller than the sum of its proper divisors (2816829571110).

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

2012021122170 is a wasteful number, since it uses less digits than its factorization.

2012021122170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67067370749.

The product of its (nonzero) digits is 224, while the sum is 21.

Adding to 2012021122170 its reverse (712211202102), we get a palindrome (2724232324272).

The spelling of 2012021122170 in words is "two trillion, twelve billion, twenty-one million, one hundred twenty-two thousand, one hundred seventy".