12021102120001 has 8 divisors (see below), whose sum is σ = 12945968323904. Its totient is φ = 11096259636240.

The previous prime is 12021102119911. The next prime is 12021102120019. The reversal of 12021102120001 is 10002120112021.

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 12021102120001 - 2²¹ = 12021100022849 is a prime.

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 (12021102120061) 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, 4870455 + ... + 6911116.

It is an arithmetic number, because the mean of its divisors is an integer number (1618246040488).

Almost surely, 2^{12021102120001} is an apocalyptic number.

It is an amenable number.

12021102120001 is a deficient number, since it is larger than the sum of its proper divisors (924866203903).

12021102120001 is a wasteful number, since it uses less digits than its factorization.

12021102120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860071.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12021102120001 its reverse (10002120112021), we get a palindrome (22023222232022).

The spelling of 12021102120001 in words is "twelve trillion, twenty-one billion, one hundred two million, one hundred twenty thousand, one".