2012012112222 has 72 divisors (see below), whose sum is σ = 5189024216376. Its totient is φ = 561491741664.

The previous prime is 2012012112197. The next prime is 2012012112223. The reversal of 2012012112222 is 2222112102102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2012012112195 and 2012012112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012012112223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26487573 + ... + 26563424.

It is an arithmetic number, because the mean of its divisors is an integer number (72069780783).

Almost surely, 2^{2012012112222} is an apocalyptic number.

2012012112222 is an abundant number, since it is smaller than the sum of its proper divisors (3177012104154).

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

2012012112222 is a wasteful number, since it uses less digits than its factorization.

2012012112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53051062 (or 53051052 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2012012112222 its reverse (2222112102102), we get a palindrome (4234124214324).

The spelling of 2012012112222 in words is "two trillion, twelve billion, twelve million, one hundred twelve thousand, two hundred twenty-two".