120121222 has 16 divisors (see below), whose sum is σ = 194498640. Its totient is φ = 55310112.

The previous prime is 120121207. The next prime is 120121229. The reversal of 120121222 is 222121021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6304 + ... + 16732.

It is an arithmetic number, because the mean of its divisors is an integer number (12156165).

Almost surely, 2^120121222 is an apocalyptic number.

120121222 is a deficient number, since it is larger than the sum of its proper divisors (74377418).

120121222 is a wasteful number, since it uses less digits than its factorization.

120121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10887.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 120121222 is about 10959.9827554609. The cubic root of 120121222 is about 493.4084473931.

Adding to 120121222 its reverse (222121021), we get a palindrome (342242243).

The spelling of 120121222 in words is "one hundred twenty million, one hundred twenty-one thousand, two hundred twenty-two".