12020020221001 has 8 divisors (see below), whose sum is σ = 12954726529920. Its totient is φ = 11086755250512.

The previous prime is 12020020220993. The next prime is 12020020221037. The reversal of 12020020221001 is 10012202002021.

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 not a de Polignac number, because 12020020221001 - 2³ = 12020020220993 is a prime.

It is a super-2 number, since 2×12020020221001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020020221061) 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, 360317281 + ... + 360350638.

It is an arithmetic number, because the mean of its divisors is an integer number (1619340816240).

Almost surely, 2^{12020020221001} is an apocalyptic number.

It is an amenable number.

12020020221001 is a deficient number, since it is larger than the sum of its proper divisors (934706308919).

12020020221001 is a wasteful number, since it uses less digits than its factorization.

12020020221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720669215.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020020221001 its reverse (10012202002021), we get a palindrome (22032222223022).

The spelling of 12020020221001 in words is "twelve trillion, twenty billion, twenty million, two hundred twenty-one thousand, one".