12100201021019 has 4 divisors (see below), whose sum is σ = 12170144379696. Its totient is φ = 12030257662344.

The previous prime is 12100201021009. The next prime is 12100201021049. The reversal of 12100201021019 is 91012010200121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12100201021019 - 2¹² = 12100201016923 is a prime.

It is a super-2 number, since 2×12100201021019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100201021009) 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, 34971679079 + ... + 34971679424.

It is an arithmetic number, because the mean of its divisors is an integer number (3042536094924).

Almost surely, 2^{12100201021019} is an apocalyptic number.

12100201021019 is a deficient number, since it is larger than the sum of its proper divisors (69943358677).

12100201021019 is an equidigital number, since it uses as much as digits as its factorization.

12100201021019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69943358676.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 12100201021019 in words is "twelve trillion, one hundred billion, two hundred one million, twenty-one thousand, nineteen".