222301111212 has 36 divisors (see below), whose sum is σ = 574995901480. Its totient is φ = 72377105472.

The previous prime is 222301111187. The next prime is 222301111231. The reversal of 222301111212 is 212111103222.

222301111212 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 71801137 + ... + 71804232.

Almost surely, 2^222301111212 is an apocalyptic number.

It is an amenable number.

222301111212 is an abundant number, since it is smaller than the sum of its proper divisors (352694790268).

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

222301111212 is a wasteful number, since it uses less digits than its factorization.

222301111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143605422 (or 143605417 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 222301111212 its reverse (212111103222), we get a palindrome (434412214434).

The spelling of 222301111212 in words is "two hundred twenty-two billion, three hundred one million, one hundred eleven thousand, two hundred twelve".