120021212122 has 8 divisors (see below), whose sum is σ = 205750649376. Its totient is φ = 51437662332.

The previous prime is 120021212099. The next prime is 120021212137. The reversal of 120021212122 is 221212120021.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 120021212096 and 120021212105.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4286471848 + ... + 4286471875.

It is an arithmetic number, because the mean of its divisors is an integer number (25718831172).

Almost surely, 2^120021212122 is an apocalyptic number.

120021212122 is a deficient number, since it is larger than the sum of its proper divisors (85729437254).

120021212122 is an equidigital number, since it uses as much as digits as its factorization.

120021212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572943732.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120021212122 its reverse (221212120021), we get a palindrome (341233332143).

The spelling of 120021212122 in words is "one hundred twenty billion, twenty-one million, two hundred twelve thousand, one hundred twenty-two".