222013120212 has 96 divisors (see below), whose sum is σ = 620707382400. Its totient is φ = 68218972416.

The previous prime is 222013120183. The next prime is 222013120213. The reversal of 222013120212 is 212021310222.

222013120212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222013120213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 930568 + ... + 1144544.

It is an arithmetic number, because the mean of its divisors is an integer number (6465701900).

Almost surely, 2^222013120212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222013120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310353691200).

222013120212 is an abundant number, since it is smaller than the sum of its proper divisors (398694262188).

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

222013120212 is a wasteful number, since it uses less digits than its factorization.

222013120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214742 (or 214734 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222013120212 its reverse (212021310222), we get a palindrome (434034430434).

It can be divided in two parts, 222013 and 120212, that added together give a square (342225 = 585²).

The spelling of 222013120212 in words is "two hundred twenty-two billion, thirteen million, one hundred twenty thousand, two hundred twelve".