1222002120999 has 16 divisors (see below), whose sum is σ = 1780029961344. Its totient is φ = 739535541600.

The previous prime is 1222002120991. The next prime is 1222002121037. The reversal of 1222002120999 is 9990212002221.

It is not a de Polignac number, because 1222002120999 - 2³ = 1222002120991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222002120991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26771964 + ... + 26817569.

It is an arithmetic number, because the mean of its divisors is an integer number (111251872584).

Almost surely, 2^{1222002120999} is an apocalyptic number.

1222002120999 is a deficient number, since it is larger than the sum of its proper divisors (558027840345).

1222002120999 is a wasteful number, since it uses less digits than its factorization.

1222002120999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53590238.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 1222002120999 in words is "one trillion, two hundred twenty-two billion, two million, one hundred twenty thousand, nine hundred ninety-nine".