12020021101001 has 8 divisors (see below), whose sum is σ = 12549868280640. Its totient is φ = 11490777051952.

The previous prime is 12020021100953. The next prime is 12020021101019. The reversal of 12020021101001 is 10010112002021.

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-12020021101001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12020021101091) 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, 150741911 + ... + 150821628.

It is an arithmetic number, because the mean of its divisors is an integer number (1568733535080).

Almost surely, 2^{12020021101001} is an apocalyptic number.

It is an amenable number.

12020021101001 is a deficient number, since it is larger than the sum of its proper divisors (529847179639).

12020021101001 is a wasteful number, since it uses less digits than its factorization.

12020021101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301565295.

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

Adding to 12020021101001 its reverse (10010112002021), we get a palindrome (22030133103022).

The spelling of 12020021101001 in words is "twelve trillion, twenty billion, twenty-one million, one hundred one thousand, one".