222202202001012 has 72 divisors (see below), whose sum is σ = 564541322377032. Its totient is φ = 73689808281600.

The previous prime is 222202202001001. The next prime is 222202202001067. The reversal of 222202202001012 is 210100202202222.

222202202001012 is a `hidden beast` number, since 2 + 2 + 220 + 220 + 200 + 10 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 104875090649316 + 117327111351696 = 10240854^2 + 10831764^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348047212 + ... + 348685052.

It is an arithmetic number, because the mean of its divisors is an integer number (7840851699681).

Almost surely, 2^{222202202001012} is an apocalyptic number.

It is an amenable number.

222202202001012 is an abundant number, since it is smaller than the sum of its proper divisors (342339120376020).

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

222202202001012 is a wasteful number, since it uses less digits than its factorization.

222202202001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687169 (or 687164 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222202202001012 its reverse (210100202202222), we get a palindrome (432302404203234).

The spelling of 222202202001012 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred two million, one thousand, twelve".