12011021021019 has 16 divisors (see below), whose sum is σ = 16351864588800. Its totient is φ = 7840509395136.

The previous prime is 12011021020967. The next prime is 12011021021057. The reversal of 12011021021019 is 91012012011021.

12011021021019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12011021021019 - 2¹⁹ = 12011020496731 is a prime.

It is a super-2 number, since 2×12011021021019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12011021020986 and 12011021021004.

It is not an unprimeable number, because it can be changed into a prime (12011021021099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218346759 + ... + 218401760.

It is an arithmetic number, because the mean of its divisors is an integer number (1021991536800).

Almost surely, 2^{12011021021019} is an apocalyptic number.

12011021021019 is a deficient number, since it is larger than the sum of its proper divisors (4340843567781).

12011021021019 is a wasteful number, since it uses less digits than its factorization.

12011021021019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436748714.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 12011021021019 in words is "twelve trillion, eleven billion, twenty-one million, twenty-one thousand, nineteen".