12010356021 has 8 divisors (see below), whose sum is σ = 16129015840. Its totient is φ = 7949300112.

The previous prime is 12010356011. The next prime is 12010356037. The reversal of 12010356021 is 12065301021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12010356021 - 2⁷ = 12010355893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010356011) 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 7 ways as a sum of consecutive naturals, for example, 14400490 + ... + 14401323.

It is an arithmetic number, because the mean of its divisors is an integer number (2016126980).

Almost surely, 2^12010356021 is an apocalyptic number.

It is an amenable number.

12010356021 is a deficient number, since it is larger than the sum of its proper divisors (4118659819).

12010356021 is a wasteful number, since it uses less digits than its factorization.

12010356021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28801955.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 12010356021 its reverse (12065301021), we get a palindrome (24075657042).

The spelling of 12010356021 in words is "twelve billion, ten million, three hundred fifty-six thousand, twenty-one".