12021011101219 has 16 divisors (see below), whose sum is σ = 12682070876160. Its totient is φ = 11362813056000.

The previous prime is 12021011101213. The next prime is 12021011101261. The reversal of 12021011101219 is 91210111012021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12021011101219 - 2²³ = 12021002712611 is a prime.

It is a super-2 number, since 2×12021011101219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021011101219.

It is not an unprimeable number, because it can be changed into a prime (12021011101213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17579814 + ... + 18250804.

It is an arithmetic number, because the mean of its divisors is an integer number (792629429760).

Almost surely, 2^{12021011101219} is an apocalyptic number.

12021011101219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12021011101219 is a deficient number, since it is larger than the sum of its proper divisors (661059774941).

12021011101219 is a wasteful number, since it uses less digits than its factorization.

12021011101219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673122.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 12021011101219 in words is "twelve trillion, twenty-one billion, eleven million, one hundred one thousand, two hundred nineteen".