2012120112210 has 64 divisors (see below), whose sum is σ = 5285811686400. Its totient is φ = 487171572480.

The previous prime is 2012120112157. The next prime is 2012120112239. The reversal of 2012120112210 is 122110212102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012120112210.

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, 42265410 + ... + 42312989.

It is an arithmetic number, because the mean of its divisors is an integer number (82590807600).

Almost surely, 2^{2012120112210} is an apocalyptic number.

2012120112210 is an abundant number, since it is smaller than the sum of its proper divisors (3273691574190).

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

2012120112210 is a wasteful number, since it uses less digits than its factorization.

2012120112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84578483.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2012120112210 its reverse (122110212102), we get a palindrome (2134230324312).

The spelling of 2012120112210 in words is "two trillion, twelve billion, one hundred twenty million, one hundred twelve thousand, two hundred ten".