12001220119 has 4 divisors (see below), whose sum is σ = 13715680144. Its totient is φ = 10286760096.

The previous prime is 12001220113. The next prime is 12001220177. The reversal of 12001220119 is 91102210021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001220119 is a prime.

It is a super-2 number, since 2×12001220119² (a number of 21 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 = 12001220096 and 12001220105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001220113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857230002 + ... + 857230015.

It is an arithmetic number, because the mean of its divisors is an integer number (3428920036).

Almost surely, 2^12001220119 is an apocalyptic number.

12001220119 is a deficient number, since it is larger than the sum of its proper divisors (1714460025).

12001220119 is an equidigital number, since it uses as much as digits as its factorization.

12001220119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714460024.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 12001220119 in words is "twelve billion, one million, two hundred twenty thousand, one hundred nineteen".