222021002012 has 24 divisors (see below), whose sum is σ = 405474379296. Its totient is φ = 106172244288.

The previous prime is 222021002003. The next prime is 222021002069. The reversal of 222021002012 is 210200120222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736118 + ... + 992930.

It is an arithmetic number, because the mean of its divisors is an integer number (16894765804).

Almost surely, 2^222021002012 is an apocalyptic number.

It is an amenable number.

222021002012 is a deficient number, since it is larger than the sum of its proper divisors (183453377284).

222021002012 is a wasteful number, since it uses less digits than its factorization.

222021002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266237 (or 266235 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222021002012 its reverse (210200120222), we get a palindrome (432221122234).

The spelling of 222021002012 in words is "two hundred twenty-two billion, twenty-one million, two thousand, twelve".