12021101201 has 4 divisors (see below), whose sum is σ = 12049791600. Its totient is φ = 11992410804.

The previous prime is 12021101189. The next prime is 12021101219. The reversal of 12021101201 is 10210112021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12021101201 - 2³⁰ = 10947359377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021101101) 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, 14344571 + ... + 14345408.

It is an arithmetic number, because the mean of its divisors is an integer number (3012447900).

Almost surely, 2^12021101201 is an apocalyptic number.

It is an amenable number.

12021101201 is a deficient number, since it is larger than the sum of its proper divisors (28690399).

12021101201 is an equidigital number, since it uses as much as digits as its factorization.

12021101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28690398.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12021101201 its reverse (10210112021), we get a palindrome (22231213222).

The spelling of 12021101201 in words is "twelve billion, twenty-one million, one hundred one thousand, two hundred one".