102222200001212 has 6 divisors (see below), whose sum is σ = 178888850002128. Its totient is φ = 51111100000604.

The previous prime is 102222200001157. The next prime is 102222200001227. The reversal of 102222200001212 is 212100002222201.

It is a happy number.

It is a super-2 number, since 2×102222200001212² (a number of 29 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 as a sum of consecutive naturals, namely, 12777775000148 + ... + 12777775000155.

It is an arithmetic number, because the mean of its divisors is an integer number (29814808333688).

Almost surely, 2^{102222200001212} is an apocalyptic number.

It is an amenable number.

102222200001212 is a deficient number, since it is larger than the sum of its proper divisors (76666650000916).

102222200001212 is a wasteful number, since it uses less digits than its factorization.

102222200001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555550000307 (or 25555550000305 counting only the distinct ones).

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

Adding to 102222200001212 its reverse (212100002222201), we get a palindrome (314322202223413).

The spelling of 102222200001212 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred million, one thousand, two hundred twelve".