222202001021012 has 36 divisors (see below), whose sum is σ = 393907435579476. Its totient is φ = 109675320243840.

The previous prime is 222202001020963. The next prime is 222202001021159. The reversal of 222202001021012 is 210120100202222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 130140547463056 + 92061453557956 = 11407916^2 + 9594866^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141338312 + ... + 142901792.

It is an arithmetic number, because the mean of its divisors is an integer number (10941873210541).

Almost surely, 2^{222202001021012} is an apocalyptic number.

It is an amenable number.

222202001021012 is a deficient number, since it is larger than the sum of its proper divisors (171705434558464).

222202001021012 is a wasteful number, since it uses less digits than its factorization.

222202001021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569336 (or 1569255 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222202001021012 its reverse (210120100202222), we get a palindrome (432322101223234).

The spelling of 222202001021012 in words is "two hundred twenty-two trillion, two hundred two billion, one million, twenty-one thousand, twelve".