2012112212222 has 32 divisors (see below), whose sum is σ = 3514713228480. Its totient is φ = 846060526080.

The previous prime is 2012112212177. The next prime is 2012112212381. The reversal of 2012112212222 is 2222122112102.

It is a junction number, because it is equal to n+sod(n) for n = 2012112212194 and 2012112212203.

It is a congruent number.

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, 2628347 + ... + 3306422.

It is an arithmetic number, because the mean of its divisors is an integer number (109834788390).

Almost surely, 2^{2012112212222} is an apocalyptic number.

2012112212222 is a deficient number, since it is larger than the sum of its proper divisors (1502601016258).

2012112212222 is a wasteful number, since it uses less digits than its factorization.

2012112212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935236.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2012112212222 its reverse (2222122112102), we get a palindrome (4234234324324).

The spelling of 2012112212222 in words is "two trillion, twelve billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-two".