1222102012 has 6 divisors (see below), whose sum is σ = 2138678528. Its totient is φ = 611051004.

The previous prime is 1222101997. The next prime is 1222102027. The reversal of 1222102012 is 2102012221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1222101997) and next prime (1222102027).

It is a junction number, because it is equal to n+sod(n) for n = 1222101983 and 1222102001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152762748 + ... + 152762755.

Almost surely, 2^1222102012 is an apocalyptic number.

It is an amenable number.

1222102012 is a deficient number, since it is larger than the sum of its proper divisors (916576516).

1222102012 is a wasteful number, since it uses less digits than its factorization.

1222102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305525507 (or 305525505 counting only the distinct ones).

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

The square root of 1222102012 is about 34958.5756574835. The cubic root of 1222102012 is about 1069.1430562662.

Adding to 1222102012 its reverse (2102012221), we get a palindrome (3324114233).

The spelling of 1222102012 in words is "one billion, two hundred twenty-two million, one hundred two thousand, twelve".