12020010002101 has 4 divisors (see below), whose sum is σ = 12313180977804. Its totient is φ = 11726839026400.

The previous prime is 12020010002089. The next prime is 12020010002129. The reversal of 12020010002101 is 10120001002021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1072051089201 + 10947958912900 = 1035399^2 + 3308770^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020010002101 - 2⁵ = 12020010002069 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 (12020010002131) 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, 146585487790 + ... + 146585487871.

It is an arithmetic number, because the mean of its divisors is an integer number (3078295244451).

Almost surely, 2^{12020010002101} is an apocalyptic number.

It is an amenable number.

12020010002101 is a deficient number, since it is larger than the sum of its proper divisors (293170975703).

12020010002101 is an equidigital number, since it uses as much as digits as its factorization.

12020010002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293170975702.

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

Adding to 12020010002101 its reverse (10120001002021), we get a palindrome (22140011004122).

The spelling of 12020010002101 in words is "twelve trillion, twenty billion, ten million, two thousand, one hundred one".