12122111002112 has 40 divisors (see below), whose sum is σ = 24229208341536. Its totient is φ = 6058887800832.

The previous prime is 12122111002091. The next prime is 12122111002117. The reversal of 12122111002112 is 21120011122121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122111002117) 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 3 ways as a sum of consecutive naturals, for example, 2800328 + ... + 5664455.

Almost surely, 2^{12122111002112} is an apocalyptic number.

It is an amenable number.

12122111002112 is a deficient number, since it is larger than the sum of its proper divisors (12107097339424).

12122111002112 is an frugal number, since it uses more digits than its factorization.

12122111002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467598 (or 8467582 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12122111002112 its reverse (21120011122121), we get a palindrome (33242122124233).

The spelling of 12122111002112 in words is "twelve trillion, one hundred twenty-two billion, one hundred eleven million, two thousand, one hundred twelve".