12010110010021 has 16 divisors (see below), whose sum is σ = 13386928181760. Its totient is φ = 10707867256320.

The previous prime is 12010110010013. The next prime is 12010110010079. The reversal of 12010110010021 is 12001001101021.

It is a cyclic number.

It is not a de Polignac number, because 12010110010021 - 2³ = 12010110010013 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 (12010110010721) 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, 2699820 + ... + 5595466.

It is an arithmetic number, because the mean of its divisors is an integer number (836683011360).

Almost surely, 2^{12010110010021} is an apocalyptic number.

It is an amenable number.

12010110010021 is a deficient number, since it is larger than the sum of its proper divisors (1376818171739).

12010110010021 is a wasteful number, since it uses less digits than its factorization.

12010110010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908524.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12010110010021 its reverse (12001001101021), we get a palindrome (24011111111042).

The spelling of 12010110010021 in words is "twelve trillion, ten billion, one hundred ten million, ten thousand, twenty-one".