120001222 has 32 divisors (see below), whose sum is σ = 202323744. Its totient is φ = 52915200.

The previous prime is 120001201. The next prime is 120001229. The reversal of 120001222 is 222100021.

It is a junction number, because it is equal to n+sod(n) for n = 120001199 and 120001208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112572 + ... + 113632.

It is an arithmetic number, because the mean of its divisors is an integer number (6322617).

Almost surely, 2^120001222 is an apocalyptic number.

120001222 is a deficient number, since it is larger than the sum of its proper divisors (82322522).

120001222 is a wasteful number, since it uses less digits than its factorization.

120001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 120001222 is about 10954.5069263751. The cubic root of 120001222 is about 493.2440891444.

Adding to 120001222 its reverse (222100021), we get a palindrome (342101243).

The spelling of 120001222 in words is "one hundred twenty million, one thousand, two hundred twenty-two".