12021102100012 has 24 divisors (see below), whose sum is σ = 22050015353856. Its totient is φ = 5723441465808.

The previous prime is 12021102099991. The next prime is 12021102100027. The reversal of 12021102100012 is 21000120112021.

It is a junction number, because it is equal to n+sod(n) for n = 12021102099965 and 12021102100001.

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 7 ways as a sum of consecutive naturals, for example, 292948438 + ... + 292989469.

It is an arithmetic number, because the mean of its divisors is an integer number (918750639744).

Almost surely, 2^{12021102100012} is an apocalyptic number.

It is an amenable number.

12021102100012 is a deficient number, since it is larger than the sum of its proper divisors (10028913253844).

12021102100012 is a wasteful number, since it uses less digits than its factorization.

12021102100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585938157 (or 585938155 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12021102100012 its reverse (21000120112021), we get a palindrome (33021222212033).

The spelling of 12021102100012 in words is "twelve trillion, twenty-one billion, one hundred two million, one hundred thousand, twelve".