12011221120019 has 8 divisors (see below), whose sum is σ = 13111243692480. Its totient is φ = 10912547444200.

The previous prime is 12011221120007. The next prime is 12011221120033. The reversal of 12011221120019 is 91002112211021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011221120019 is a prime.

It is a super-2 number, since 2×12011221120019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011221119976 and 12011221120003.

It is not an unprimeable number, because it can be changed into a prime (12011221120919) 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, 337205537 + ... + 337241154.

It is an arithmetic number, because the mean of its divisors is an integer number (1638905461560).

Almost surely, 2^{12011221120019} is an apocalyptic number.

12011221120019 is a deficient number, since it is larger than the sum of its proper divisors (1100022572461).

12011221120019 is a wasteful number, since it uses less digits than its factorization.

12011221120019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674448321.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 12011221120019 in words is "twelve trillion, eleven billion, two hundred twenty-one million, one hundred twenty thousand, nineteen".