120222220100000 has 144 divisors (see below), whose sum is σ = 313242817723416. Its totient is φ = 45260129280000.

The previous prime is 120222220099997. The next prime is 120222220100027. The reversal of 120222220100000 is 1022222021.

It can be written as a sum of positive squares in 12 ways, for example, as 82383433147024 + 37838786952976 = 9076532^2 + 6151324^2 .

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 23 ways as a sum of consecutive naturals, for example, 33659477 + ... + 37059476.

Almost surely, 2^{120222220100000} is an apocalyptic number.

120222220100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120222220100000 is an abundant number, since it is smaller than the sum of its proper divisors (193020597623416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120222220100000 is an frugal number, since it uses more digits than its factorization.

120222220100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70719005 (or 70718977 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 120222220100000 its reverse (1022222021), we get a palindrome (120223242322021).

The spelling of 120222220100000 in words is "one hundred twenty trillion, two hundred twenty-two billion, two hundred twenty million, one hundred thousand".