2012100222 has 16 divisors (see below), whose sum is σ = 4390036992. Its totient is φ = 609727320.

The previous prime is 2012100203. The next prime is 2012100227. The reversal of 2012100222 is 2220012102.

It is a junction number, because it is equal to n+sod(n) for n = 2012100198 and 2012100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012100227) 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, 15243118 + ... + 15243249.

It is an arithmetic number, because the mean of its divisors is an integer number (274377312).

Almost surely, 2^2012100222 is an apocalyptic number.

2012100222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2012100222 is an abundant number, since it is smaller than the sum of its proper divisors (2377936770).

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

2012100222 is a wasteful number, since it uses less digits than its factorization.

2012100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30486383.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2012100222 is about 44856.4401396277. The cubic root of 2012100222 is about 1262.4568302332.

Adding to 2012100222 its reverse (2220012102), we get a palindrome (4232112324).

The spelling of 2012100222 in words is "two billion, twelve million, one hundred thousand, two hundred twenty-two".