12001012020101 has 4 divisors (see below), whose sum is σ = 12924166790892. Its totient is φ = 11077857249312.

The previous prime is 12001012020071. The next prime is 12001012020139. The reversal of 12001012020101 is 10102021010021.

12001012020101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1181688573025 + 10819323447076 = 1087055^2 + 3289274^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001012020101 - 2⁴² = 7602965508997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001012023101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461577385376 + ... + 461577385401.

It is an arithmetic number, because the mean of its divisors is an integer number (3231041697723).

Almost surely, 2^{12001012020101} is an apocalyptic number.

It is an amenable number.

12001012020101 is a deficient number, since it is larger than the sum of its proper divisors (923154770791).

12001012020101 is an equidigital number, since it uses as much as digits as its factorization.

12001012020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923154770790.

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

Adding to 12001012020101 its reverse (10102021010021), we get a palindrome (22103033030122).

The spelling of 12001012020101 in words is "twelve trillion, one billion, twelve million, twenty thousand, one hundred one".