12120222101 has 8 divisors (see below), whose sum is σ = 13056284640. Its totient is φ = 11184693552.

The previous prime is 12120222083. The next prime is 12120222109. The reversal of 12120222101 is 10122202121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120222101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120222109) 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 in 7 ways as a sum of consecutive naturals, for example, 85715 + ... + 177728.

It is an arithmetic number, because the mean of its divisors is an integer number (1632035580).

Almost surely, 2^12120222101 is an apocalyptic number.

It is an amenable number.

12120222101 is a deficient number, since it is larger than the sum of its proper divisors (936062539).

12120222101 is a wasteful number, since it uses less digits than its factorization.

12120222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266995.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12120222101 its reverse (10122202121), we get a palindrome (22242424222).

The spelling of 12120222101 in words is "twelve billion, one hundred twenty million, two hundred twenty-two thousand, one hundred one".