12020012102201 has 4 divisors (see below), whose sum is σ = 12020028982500. Its totient is φ = 12019995221904.

The previous prime is 12020012102141. The next prime is 12020012102207. The reversal of 12020012102201 is 10220121002021.

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 10332039493801 + 1687972608400 = 3214349^2 + 1299220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020012102201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020012102207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7322726 + ... + 8812623.

It is an arithmetic number, because the mean of its divisors is an integer number (3005007245625).

Almost surely, 2^{12020012102201} is an apocalyptic number.

It is an amenable number.

12020012102201 is a deficient number, since it is larger than the sum of its proper divisors (16880299).

12020012102201 is an equidigital number, since it uses as much as digits as its factorization.

12020012102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16880298.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12020012102201 its reverse (10220121002021), we get a palindrome (22240133104222).

The spelling of 12020012102201 in words is "twelve trillion, twenty billion, twelve million, one hundred two thousand, two hundred one".