22102000001212 has 12 divisors (see below), whose sum is σ = 38685298864240. Its totient is φ = 11049057468576.

The previous prime is 22102000001197. The next prime is 22102000001303. The reversal of 22102000001212 is 21210000020122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22102000001192 and 22102000001201.

It is a congruent 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, 485607408 + ... + 485652919.

Almost surely, 2^{22102000001212} is an apocalyptic number.

It is an amenable number.

22102000001212 is a deficient number, since it is larger than the sum of its proper divisors (16583298863028).

22102000001212 is a wasteful number, since it uses less digits than its factorization.

22102000001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971266020 (or 971266018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22102000001212 its reverse (21210000020122), we get a palindrome (43312000021334).

The spelling of 22102000001212 in words is "twenty-two trillion, one hundred two billion, one thousand, two hundred twelve".