22200201201212 has 24 divisors (see below), whose sum is σ = 38926653389232. Its totient is φ = 11078302435200.

The previous prime is 22200201201169. The next prime is 22200201201247. The reversal of 22200201201212 is 21210210200222.

It is a happy number.

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, 41618912 + ... + 42148952.

It is an arithmetic number, because the mean of its divisors is an integer number (1621943891218).

Almost surely, 2^{22200201201212} is an apocalyptic number.

It is an amenable number.

22200201201212 is a deficient number, since it is larger than the sum of its proper divisors (16726452188020).

22200201201212 is a wasteful number, since it uses less digits than its factorization.

22200201201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550589 (or 550587 counting only the distinct ones).

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

Adding to 22200201201212 its reverse (21210210200222), we get a palindrome (43410411401434).

The spelling of 22200201201212 in words is "twenty-two trillion, two hundred billion, two hundred one million, two hundred one thousand, two hundred twelve".