2012111222 has 16 divisors (see below), whose sum is σ = 3321687312. Its totient is φ = 906501120.

The previous prime is 2012111209. The next prime is 2012111249. The reversal of 2012111222 is 2221112102.

It is a junction number, because it is equal to n+sod(n) for n = 2012111197 and 2012111206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402203 + ... + 407174.

It is an arithmetic number, because the mean of its divisors is an integer number (207605457).

Almost surely, 2^2012111222 is an apocalyptic number.

2012111222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2012111222 is a deficient number, since it is larger than the sum of its proper divisors (1309576090).

2012111222 is a wasteful number, since it uses less digits than its factorization.

2012111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809503.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2012111222 is about 44856.5627528459. The cubic root of 2012111222 is about 1262.4591308144.

Adding to 2012111222 its reverse (2221112102), we get a palindrome (4233223324).

The spelling of 2012111222 in words is "two billion, twelve million, one hundred eleven thousand, two hundred twenty-two".