120021212223 has 12 divisors (see below), whose sum is σ = 189124334568. Its totient is φ = 72740128560.

The previous prime is 120021212191. The next prime is 120021212293. The reversal of 120021212223 is 322212120021.

It is not a de Polignac number, because 120021212223 - 2⁵ = 120021212191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120021212196 and 120021212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021212293) 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 11 ways as a sum of consecutive naturals, for example, 606167640 + ... + 606167837.

It is an arithmetic number, because the mean of its divisors is an integer number (15760361214).

Almost surely, 2^120021212223 is an apocalyptic number.

120021212223 is a deficient number, since it is larger than the sum of its proper divisors (69103122345).

120021212223 is a wasteful number, since it uses less digits than its factorization.

120021212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212335494 (or 1212335491 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 120021212223 its reverse (322212120021), we get a palindrome (442233332244).

The spelling of 120021212223 in words is "one hundred twenty billion, twenty-one million, two hundred twelve thousand, two hundred twenty-three".