120001021222 has 4 divisors (see below), whose sum is σ = 180001531836. Its totient is φ = 60000510610.

The previous prime is 120001021211. The next prime is 120001021229. The reversal of 120001021222 is 222120100021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001021229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30000255304 + ... + 30000255307.

It is an arithmetic number, because the mean of its divisors is an integer number (45000382959).

Almost surely, 2^120001021222 is an apocalyptic number.

120001021222 is a deficient number, since it is larger than the sum of its proper divisors (60000510614).

120001021222 is an equidigital number, since it uses as much as digits as its factorization.

120001021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60000510613.

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

Adding to 120001021222 its reverse (222120100021), we get a palindrome (342121121243).

The spelling of 120001021222 in words is "one hundred twenty billion, one million, twenty-one thousand, two hundred twenty-two".