12011100212122 has 8 divisors (see below), whose sum is σ = 19654527619872. Its totient is φ = 5459591005500.

The previous prime is 12011100212117. The next prime is 12011100212129. The reversal of 12011100212122 is 22121200111021.

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

It is a junction number, because it is equal to n+sod(n) for n = 12011100212096 and 12011100212105.

It is not an unprimeable number, because it can be changed into a prime (12011100212129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272979550254 + ... + 272979550297.

It is an arithmetic number, because the mean of its divisors is an integer number (2456815952484).

Almost surely, 2^{12011100212122} is an apocalyptic number.

12011100212122 is a deficient number, since it is larger than the sum of its proper divisors (7643427407750).

12011100212122 is a wasteful number, since it uses less digits than its factorization.

12011100212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545959100564.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12011100212122 its reverse (22121200111021), we get a palindrome (34132300323143).

The spelling of 12011100212122 in words is "twelve trillion, eleven billion, one hundred million, two hundred twelve thousand, one hundred twenty-two".