120031021222 has 24 divisors (see below), whose sum is σ = 209455293960. Its totient is φ = 51438572640.

The previous prime is 120031021207. The next prime is 120031021223. The reversal of 120031021222 is 222120130021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120031021196 and 120031021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031021223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2081397 + ... + 2138287.

It is an arithmetic number, because the mean of its divisors is an integer number (8727303915).

Almost surely, 2^120031021222 is an apocalyptic number.

120031021222 is a deficient number, since it is larger than the sum of its proper divisors (89424272738).

120031021222 is a wasteful number, since it uses less digits than its factorization.

120031021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78436 (or 78429 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120031021222 its reverse (222120130021), we get a palindrome (342151151243).

The spelling of 120031021222 in words is "one hundred twenty billion, thirty-one million, twenty-one thousand, two hundred twenty-two".