120000002121223 has 6 divisors (see below), whose sum is σ = 139591839202296. Its totient is φ = 102857144675292.

The previous prime is 120000002121187. The next prime is 120000002121323. The reversal of 120000002121223 is 322121200000021.

It is a happy number.

It is not a de Polignac number, because 120000002121223 - 2³⁷ = 119862563167751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120000002121197 and 120000002121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000002121323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224489817515 + ... + 1224489817612.

It is an arithmetic number, because the mean of its divisors is an integer number (23265306533716).

Almost surely, 2^{120000002121223} is an apocalyptic number.

120000002121223 is a deficient number, since it is larger than the sum of its proper divisors (19591837081073).

120000002121223 is an equidigital number, since it uses as much as digits as its factorization.

120000002121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448979635141 (or 2448979635134 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120000002121223 its reverse (322121200000021), we get a palindrome (442121202121244).

The spelling of 120000002121223 in words is "one hundred twenty trillion, two million, one hundred twenty-one thousand, two hundred twenty-three".