1222100102012 has 72 divisors (see below), whose sum is σ = 2312450649600. Its totient is φ = 564039508032.

The previous prime is 1222100102011. The next prime is 1222100102021. The reversal of 1222100102012 is 2102010012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222100102011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256795289 + ... + 256800047.

Almost surely, 2^{1222100102012} is an apocalyptic number.

It is an amenable number.

1222100102012 is a deficient number, since it is larger than the sum of its proper divisors (1090350547588).

1222100102012 is a wasteful number, since it uses less digits than its factorization.

1222100102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163 (or 8132 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222100102012 its reverse (2102010012221), we get a palindrome (3324110114233).

The spelling of 1222100102012 in words is "one trillion, two hundred twenty-two billion, one hundred million, one hundred two thousand, twelve".