2012212212222 has 32 divisors (see below), whose sum is σ = 4170795439104. Its totient is φ = 646514640000.

The previous prime is 2012212212167. The next prime is 2012212212223. The reversal of 2012212212222 is 2222122122102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012212212223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21503803 + ... + 21597174.

It is an arithmetic number, because the mean of its divisors is an integer number (130337357472).

Almost surely, 2^{2012212212222} is an apocalyptic number.

2012212212222 is an abundant number, since it is smaller than the sum of its proper divisors (2158583226882).

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

2012212212222 is a wasteful number, since it uses less digits than its factorization.

2012212212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43101264.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2012212212222 its reverse (2222122122102), we get a palindrome (4234334334324).

The spelling of 2012212212222 in words is "two trillion, twelve billion, two hundred twelve million, two hundred twelve thousand, two hundred twenty-two".