1224012021099 has 16 divisors (see below), whose sum is σ = 1963327553280. Its totient is φ = 662623048800.

The previous prime is 1224012021097. The next prime is 1224012021109. The reversal of 1224012021099 is 9901202104221.

It is not a de Polignac number, because 1224012021099 - 2¹ = 1224012021097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224012021097) 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, 1533849252 + ... + 1533850049.

It is an arithmetic number, because the mean of its divisors is an integer number (122707972080).

Almost surely, 2^{1224012021099} is an apocalyptic number.

1224012021099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1224012021099 is a deficient number, since it is larger than the sum of its proper divisors (739315532181).

1224012021099 is a wasteful number, since it uses less digits than its factorization.

1224012021099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067699330.

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 1224012021099 in words is "one trillion, two hundred twenty-four billion, twelve million, twenty-one thousand, ninety-nine".