12120220222 has 64 divisors (see below), whose sum is σ = 20656954368. Its totient is φ = 5285952000.

The previous prime is 12120220201. The next prime is 12120220243. The reversal of 12120220222 is 22202202121.

It is an interprime number because it is at equal distance from previous prime (12120220201) and next prime (12120220243).

It is a junction number, because it is equal to n+sod(n) for n = 12120220196 and 12120220205.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 15926322 + ... + 15927082.

It is an arithmetic number, because the mean of its divisors is an integer number (322764912).

Almost surely, 2^12120220222 is an apocalyptic number.

12120220222 is a deficient number, since it is larger than the sum of its proper divisors (8536734146).

12120220222 is a wasteful number, since it uses less digits than its factorization.

12120220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12120220222 its reverse (22202202121), we get a palindrome (34322422343).

The spelling of 12120220222 in words is "twelve billion, one hundred twenty million, two hundred twenty thousand, two hundred twenty-two".