12010210021 has 8 divisors (see below), whose sum is σ = 12092599520. Its totient is φ = 11927895408.

The previous prime is 12010210013. The next prime is 12010210067. The reversal of 12010210021 is 12001201021.

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

It is a cyclic number.

It is not a de Polignac number, because 12010210021 - 2³ = 12010210013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010219021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324550 + ... + 359656.

It is an arithmetic number, because the mean of its divisors is an integer number (1511574940).

Almost surely, 2^12010210021 is an apocalyptic number.

It is an amenable number.

12010210021 is a deficient number, since it is larger than the sum of its proper divisors (82389499).

12010210021 is a wasteful number, since it uses less digits than its factorization.

12010210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37443.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12010210021 its reverse (12001201021), we get a palindrome (24011411042).

The spelling of 12010210021 in words is "twelve billion, ten million, two hundred ten thousand, twenty-one".