220202221001012 has 12 divisors (see below), whose sum is σ = 385355577926340. Its totient is φ = 110100627307776.

The previous prime is 220202221000999. The next prime is 220202221001017. The reversal of 220202221001012 is 210100122202022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 636031770256 + 219566189230756 = 797516^2 + 14817766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202221001017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119771837 + ... + 121596452.

It is an arithmetic number, because the mean of its divisors is an integer number (32112964827195).

Almost surely, 2^{220202221001012} is an apocalyptic number.

It is an amenable number.

220202221001012 is a deficient number, since it is larger than the sum of its proper divisors (165153356925328).

220202221001012 is a wasteful number, since it uses less digits than its factorization.

220202221001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241596370 (or 241596368 counting only the distinct ones).

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

Adding to 220202221001012 its reverse (210100122202022), we get a palindrome (430302343203034).

The spelling of 220202221001012 in words is "two hundred twenty trillion, two hundred two billion, two hundred twenty-one million, one thousand, twelve".