222311302012 has 6 divisors (see below), whose sum is σ = 389044778528. Its totient is φ = 111155651004.

The previous prime is 222311302007. The next prime is 222311302069. The reversal of 222311302012 is 210203113222.

222311302012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 27788912748 + ... + 27788912755.

Almost surely, 2^222311302012 is an apocalyptic number.

It is an amenable number.

222311302012 is a deficient number, since it is larger than the sum of its proper divisors (166733476516).

222311302012 is a wasteful number, since it uses less digits than its factorization.

222311302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55577825507 (or 55577825505 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222311302012 its reverse (210203113222), we get a palindrome (432514415234).

The spelling of 222311302012 in words is "two hundred twenty-two billion, three hundred eleven million, three hundred two thousand, twelve".