12020000210001 has 40 divisors (see below), whose sum is σ = 20658641889600. Its totient is φ = 6822473704992.

The previous prime is 12020000209999. The next prime is 12020000210039. The reversal of 12020000210001 is 10001200002021.

It is not a de Polignac number, because 12020000210001 - 2¹ = 12020000209999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12020000212001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71054091 + ... + 71223056.

It is an arithmetic number, because the mean of its divisors is an integer number (516466047240).

Almost surely, 2^{12020000210001} is an apocalyptic number.

It is an amenable number.

12020000210001 is a deficient number, since it is larger than the sum of its proper divisors (8638641679599).

12020000210001 is a wasteful number, since it uses less digits than its factorization.

12020000210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142277315 (or 142277306 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12020000210001 its reverse (10001200002021), we get a palindrome (22021200212022).

The spelling of 12020000210001 in words is "twelve trillion, twenty billion, two hundred ten thousand, one".