12020121011001 has 8 divisors (see below), whose sum is σ = 16229699255680. Its totient is φ = 7911978386832.

The previous prime is 12020121010967. The next prime is 12020121011029. The reversal of 12020121011001 is 10011012102021.

12020121011001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12020121011001 - 2¹⁴ = 12020120994617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020121011051) 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, 25358904850 + ... + 25358905323.

It is an arithmetic number, because the mean of its divisors is an integer number (2028712406960).

Almost surely, 2^{12020121011001} is an apocalyptic number.

It is an amenable number.

12020121011001 is a deficient number, since it is larger than the sum of its proper divisors (4209578244679).

12020121011001 is an equidigital number, since it uses as much as digits as its factorization.

12020121011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50717810255.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12020121011001 its reverse (10011012102021), we get a palindrome (22031133113022).

The spelling of 12020121011001 in words is "twelve trillion, twenty billion, one hundred twenty-one million, eleven thousand, one".