222001020012 has 12 divisors (see below), whose sum is σ = 518002380056. Its totient is φ = 74000340000.

The previous prime is 222001019951. The next prime is 222001020013. The reversal of 222001020012 is 210020100222.

222001020012 is digitally balanced in base 2, because in such base 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 (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 18500085001 = 222001020012 / (2 + 2 + 2 + 0 + 0 + 1 + 0 + 2 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 222001020012.

It is not an unprimeable number, because it can be changed into a prime (222001020013) 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 3 ways as a sum of consecutive naturals, for example, 9250042489 + ... + 9250042512.

Almost surely, 2^222001020012 is an apocalyptic number.

It is an amenable number.

222001020012 is an abundant number, since it is smaller than the sum of its proper divisors (296001360044).

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

222001020012 is a wasteful number, since it uses less digits than its factorization.

222001020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18500085008 (or 18500085006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222001020012 its reverse (210020100222), we get a palindrome (432021120234).

The spelling of 222001020012 in words is "two hundred twenty-two billion, one million, twenty thousand, twelve".