2012112212223 has 32 divisors (see below), whose sum is σ = 2749693427712. Its totient is φ = 1308073384800.

The previous prime is 2012112212177. The next prime is 2012112212381. The reversal of 2012112212223 is 3222122112102.

It is not a de Polignac number, because 2012112212223 - 2²² = 2012108017919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012112212223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012112212423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245645058 + ... + 245653248.

It is an arithmetic number, because the mean of its divisors is an integer number (85927919616).

Almost surely, 2^{2012112212223} is an apocalyptic number.

2012112212223 is a deficient number, since it is larger than the sum of its proper divisors (737581215489).

2012112212223 is a wasteful number, since it uses less digits than its factorization.

2012112212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2012112212223 its reverse (3222122112102), we get a palindrome (5234234324325).

The spelling of 2012112212223 in words is "two trillion, twelve billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-three".