22201212200012 has 12 divisors (see below), whose sum is σ = 38853926645016. Its totient is φ = 11100090301440.

The previous prime is 22201212200009. The next prime is 22201212200113. The reversal of 22201212200012 is 21000221210222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128852789 + ... + 129024972.

It is an arithmetic number, because the mean of its divisors is an integer number (3237827220418).

Almost surely, 2^{22201212200012} is an apocalyptic number.

It is an amenable number.

22201212200012 is a deficient number, since it is larger than the sum of its proper divisors (16652714445004).

22201212200012 is a wasteful number, since it uses less digits than its factorization.

22201212200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257899288 (or 257899286 counting only the distinct ones).

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

Adding to 22201212200012 its reverse (21000221210222), we get a palindrome (43201433410234).

The spelling of 22201212200012 in words is "twenty-two trillion, two hundred one billion, two hundred twelve million, two hundred thousand, twelve".