120020121219 has 4 divisors (see below), whose sum is σ = 160026828296. Its totient is φ = 80013414144.

The previous prime is 120020121211. The next prime is 120020121229. The reversal of 120020121219 is 912121020021.

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

It is not a de Polignac number, because 120020121219 - 2³ = 120020121211 is a prime.

It is a super-2 number, since 2×120020121219² (a number of 23 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 = 120020121195 and 120020121204.

It is not an unprimeable number, because it can be changed into a prime (120020121211) 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, 20003353534 + ... + 20003353539.

It is an arithmetic number, because the mean of its divisors is an integer number (40006707074).

Almost surely, 2^120020121219 is an apocalyptic number.

120020121219 is a deficient number, since it is larger than the sum of its proper divisors (40006707077).

120020121219 is an equidigital number, since it uses as much as digits as its factorization.

120020121219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40006707076.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 120020121219 in words is "one hundred twenty billion, twenty million, one hundred twenty-one thousand, two hundred nineteen".