12021320201 has 8 divisors (see below), whose sum is σ = 13118112000. Its totient is φ = 10925185840.

The previous prime is 12021320173. The next prime is 12021320243. The reversal of 12021320201 is 10202312021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021320201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021320291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125726 + ... + 199623.

It is an arithmetic number, because the mean of its divisors is an integer number (1639764000).

Almost surely, 2^12021320201 is an apocalyptic number.

12021320201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12021320201 is a deficient number, since it is larger than the sum of its proper divisors (1096791799).

12021320201 is a wasteful number, since it uses less digits than its factorization.

12021320201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328719.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12021320201 its reverse (10202312021), we get a palindrome (22223632222).

The spelling of 12021320201 in words is "twelve billion, twenty-one million, three hundred twenty thousand, two hundred one".