12020021121201 has 16 divisors (see below), whose sum is σ = 16969516625088. Its totient is φ = 7541940684800.

The previous prime is 12020021121193. The next prime is 12020021121209. The reversal of 12020021121201 is 10212112002021.

It is an interprime number because it is at equal distance from previous prime (12020021121193) and next prime (12020021121209).

It is a cyclic number.

It is not a de Polignac number, because 12020021121201 - 2³ = 12020021121193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020021121209) 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, 16560961 + ... + 17271521.

It is an arithmetic number, because the mean of its divisors is an integer number (1060594789068).

Almost surely, 2^{12020021121201} is an apocalyptic number.

It is an amenable number.

12020021121201 is a deficient number, since it is larger than the sum of its proper divisors (4949495503887).

12020021121201 is a wasteful number, since it uses less digits than its factorization.

12020021121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042272.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12020021121201 its reverse (10212112002021), we get a palindrome (22232133123222).

The spelling of 12020021121201 in words is "twelve trillion, twenty billion, twenty-one million, one hundred twenty-one thousand, two hundred one".