2012021222120 has 64 divisors (see below), whose sum is σ = 5571751086720. Its totient is φ = 636771550464.

The previous prime is 2012021222111. The next prime is 2012021222153. The reversal of 2012021222120 is 212221202102.

It is a happy number.

It is a super-2 number, since 2×2012021222120² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276372902 + ... + 276380181.

It is an arithmetic number, because the mean of its divisors is an integer number (87058610730).

Almost surely, 2^{2012021222120} is an apocalyptic number.

2012021222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012021222120 is an abundant number, since it is smaller than the sum of its proper divisors (3559729864600).

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

2012021222120 is a wasteful number, since it uses less digits than its factorization.

2012021222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552753114 (or 552753110 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2012021222120 its reverse (212221202102), we get a palindrome (2224242424222).

The spelling of 2012021222120 in words is "two trillion, twelve billion, twenty-one million, two hundred twenty-two thousand, one hundred twenty".