1222131120999 has 8 divisors (see below), whose sum is σ = 1634047182720. Its totient is φ = 812484569976.

The previous prime is 1222131120989. The next prime is 1222131121049. The reversal of 1222131120999 is 9990211312221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222131120999 - 2¹⁶ = 1222131055463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222131120999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222131120989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567376417 + ... + 567378570.

It is an arithmetic number, because the mean of its divisors is an integer number (204255897840).

Almost surely, 2^{1222131120999} is an apocalyptic number.

1222131120999 is a deficient number, since it is larger than the sum of its proper divisors (411916061721).

1222131120999 is a wasteful number, since it uses less digits than its factorization.

1222131120999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134755349.

The product of its (nonzero) digits is 34992, while the sum is 42.

The spelling of 1222131120999 in words is "one trillion, two hundred twenty-two billion, one hundred thirty-one million, one hundred twenty thousand, nine hundred ninety-nine".