2201221202012 has 24 divisors (see below), whose sum is σ = 4402607612256. Its totient is φ = 943345113408.

The previous prime is 2201221201979. The next prime is 2201221202039. The reversal of 2201221202012 is 2102021221022.

It is a happy number.

It is a super-2 number, since 2×2201221202012² (a number of 25 digits) contains 22 as substring.

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, 708623 + ... + 2214630.

It is an arithmetic number, because the mean of its divisors is an integer number (183441983844).

Almost surely, 2^{2201221202012} is an apocalyptic number.

It is an amenable number.

2201221202012 is an abundant number, since it is smaller than the sum of its proper divisors (2201386410244).

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

2201221202012 is a wasteful number, since it uses less digits than its factorization.

2201221202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950157 (or 2950155 counting only the distinct ones).

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

Adding to 2201221202012 its reverse (2102021221022), we get a palindrome (4303242423034).

The spelling of 2201221202012 in words is "two trillion, two hundred one billion, two hundred twenty-one million, two hundred two thousand, twelve".