12122102021222 has 16 divisors (see below), whose sum is σ = 19140753539760. Its totient is φ = 5741870589792.

The previous prime is 12122102021189. The next prime is 12122102021231. The reversal of 12122102021222 is 22212020122121.

12122102021222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12122102021194 and 12122102021203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3689213 + ... + 6152600.

It is an arithmetic number, because the mean of its divisors is an integer number (1196297096235).

Almost surely, 2^{12122102021222} is an apocalyptic number.

12122102021222 is a deficient number, since it is larger than the sum of its proper divisors (7018651518538).

12122102021222 is a wasteful number, since it uses less digits than its factorization.

12122102021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9874247.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12122102021222 its reverse (22212020122121), we get a palindrome (34334122143343).

The spelling of 12122102021222 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, twenty-one thousand, two hundred twenty-two".