1222012220099 has 16 divisors (see below), whose sum is σ = 1343704399200. Its totient is φ = 1102097237760.

The previous prime is 1222012220057. The next prime is 1222012220101. The reversal of 1222012220099 is 9900222102221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1222012220099 - 2⁸ = 1222012219843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222012229099) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 2072597 + ... + 2596089.

It is an arithmetic number, because the mean of its divisors is an integer number (83981524950).

Almost surely, 2^{1222012220099} is an apocalyptic number.

1222012220099 is a deficient number, since it is larger than the sum of its proper divisors (121692179101).

1222012220099 is a wasteful number, since it uses less digits than its factorization.

1222012220099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525190.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 1222012220099 in words is "one trillion, two hundred twenty-two billion, twelve million, two hundred twenty thousand, ninety-nine".