12021001100012 has 12 divisors (see below), whose sum is σ = 21037495287480. Its totient is φ = 6010288160736.

The previous prime is 12021001099963. The next prime is 12021001100027. The reversal of 12021001100012 is 21000110012021.

It is a junction number, because it is equal to n+sod(n) for n = 12021001099966 and 12021001100002.

It is an unprimeable number.

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, 52969937 + ... + 53196392.

It is an arithmetic number, because the mean of its divisors is an integer number (1753124607290).

Almost surely, 2^{12021001100012} is an apocalyptic number.

It is an amenable number.

12021001100012 is a deficient number, since it is larger than the sum of its proper divisors (9016494187468).

12021001100012 is a wasteful number, since it uses less digits than its factorization.

12021001100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106194640 (or 106194638 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12021001100012 its reverse (21000110012021), we get a palindrome (33021111112033).

The spelling of 12021001100012 in words is "twelve trillion, twenty-one billion, one million, one hundred thousand, twelve".