12021100010019 has 40 divisors (see below), whose sum is σ = 18252829023440. Its totient is φ = 7882257096000.

The previous prime is 12021100009973. The next prime is 12021100010027. The reversal of 12021100010019 is 91001000112021.

It is a happy number.

It is not a de Polignac number, because 12021100010019 - 2²⁴ = 12021083232803 is a prime.

It is a super-2 number, since 2×12021100010019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021100009983 and 12021100010010.

It is not an unprimeable number, because it can be changed into a prime (12021100010039) 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 39 ways as a sum of consecutive naturals, for example, 107949669 + ... + 108060969.

It is an arithmetic number, because the mean of its divisors is an integer number (456320725586).

Almost surely, 2^{12021100010019} is an apocalyptic number.

12021100010019 is a deficient number, since it is larger than the sum of its proper divisors (6231729013421).

12021100010019 is a wasteful number, since it uses less digits than its factorization.

12021100010019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133233 (or 133224 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 12021100010019 in words is "twelve trillion, twenty-one billion, one hundred million, ten thousand, nineteen".